0001    //
0002    //  SnapKit
0003    //
0004    //  Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit
0005    //
0006    //  Permission is hereby granted, free of charge, to any person obtaining a copy
0007    //  of this software and associated documentation files (the "Software"), to deal
0008    //  in the Software without restriction, including without limitation the rights
0009    //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0010    //  copies of the Software, and to permit persons to whom the Software is
0011    //  furnished to do so, subject to the following conditions:
0012    //
0013    //  The above copyright notice and this permission notice shall be included in
0014    //  all copies or substantial portions of the Software.
0015    //
0016    //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0017    //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0018    //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0019    //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0020    //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0021    //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
0022    //  THE SOFTWARE.
0023    
0024    #if os(iOS) || os(tvOS)
0025    import UIKit
0026    #else
0027    import AppKit
0028    #endif
0029    
0030    /**
0031        Used to define `NSLayoutAttributes` in a more concise and composite manner
0032    */
0033    internal struct ConstraintAttributes
Constraint.swift:217
            if self.fromItem.attributes.isSubsetOf(ConstraintAttributes.Width.union(.Height)) {
ConstraintAttributes.swift:46
    internal static var allZeros: ConstraintAttributes { return self.init(0) }
ConstraintAttributes.swift:47
    internal static func convertFromNilLiteral() -> ConstraintAttributes { return self.init(0) }
ConstraintAttributes.swift:51
    internal static func fromRaw(raw: UInt) -> ConstraintAttributes? { return self.init(raw) }
ConstraintAttributes.swift:52
    internal static func fromMask(raw: UInt) -> ConstraintAttributes { return self.init(raw) }
ConstraintAttributes.swift:56
    internal static var None: ConstraintAttributes { return self.init(0) }
ConstraintAttributes.swift:57
    internal static var Left: ConstraintAttributes { return self.init(1) }
ConstraintAttributes.swift:58
    internal static var Top: ConstraintAttributes {  return self.init(2) }
ConstraintAttributes.swift:59
    internal static var Right: ConstraintAttributes { return self.init(4) }
ConstraintAttributes.swift:60
    internal static var Bottom: ConstraintAttributes { return self.init(8) }
ConstraintAttributes.swift:61
    internal static var Leading: ConstraintAttributes { return self.init(16) }
ConstraintAttributes.swift:62
    internal static var Trailing: ConstraintAttributes { return self.init(32) }
ConstraintAttributes.swift:63
    internal static var Width: ConstraintAttributes { return self.init(64) }
ConstraintAttributes.swift:64
    internal static var Height: ConstraintAttributes { return self.init(128) }
ConstraintAttributes.swift:65
    internal static var CenterX: ConstraintAttributes { return self.init(256) }
ConstraintAttributes.swift:66
    internal static var CenterY: ConstraintAttributes { return self.init(512) }
ConstraintAttributes.swift:67
    internal static var Baseline: ConstraintAttributes { return self.init(1024) }
ConstraintAttributes.swift:70
    internal static var FirstBaseline: ConstraintAttributes { return self.init(2048) }
ConstraintAttributes.swift:72
    internal static var LeftMargin: ConstraintAttributes { return self.init(4096) }
ConstraintAttributes.swift:74
    internal static var RightMargin: ConstraintAttributes { return self.init(8192) }
ConstraintAttributes.swift:76
    internal static var TopMargin: ConstraintAttributes { return self.init(16384) }
ConstraintAttributes.swift:78
    internal static var BottomMargin: ConstraintAttributes { return self.init(32768) }
ConstraintAttributes.swift:80
    internal static var LeadingMargin: ConstraintAttributes { return self.init(65536) }
ConstraintAttributes.swift:82
    internal static var TrailingMargin: ConstraintAttributes { return self.init(131072) }
ConstraintAttributes.swift:84
    internal static var CenterXWithinMargins: ConstraintAttributes { return self.init(262144) }
ConstraintAttributes.swift:86
    internal static var CenterYWithinMargins: ConstraintAttributes { return self.init(524288) }
ConstraintAttributes.swift:90
    internal static var Edges: ConstraintAttributes { return self.init(15) }
ConstraintAttributes.swift:91
    internal static var Size: ConstraintAttributes { return self.init(192) }
ConstraintAttributes.swift:92
    internal static var Center: ConstraintAttributes { return self.init(768) }
ConstraintAttributes.swift:95
    internal static var Margins: ConstraintAttributes { return self.init(61440) }
ConstraintAttributes.swift:98
    internal static var CenterWithinMargins: ConstraintAttributes { return self.init(786432) }
ConstraintAttributes.swift:102
        if (self.contains(ConstraintAttributes.Left)) {
ConstraintAttributes.swift:105
        if (self.contains(ConstraintAttributes.Top)) {
ConstraintAttributes.swift:108
        if (self.contains(ConstraintAttributes.Right)) {
ConstraintAttributes.swift:111
        if (self.contains(ConstraintAttributes.Bottom)) {
ConstraintAttributes.swift:114
        if (self.contains(ConstraintAttributes.Leading)) {
ConstraintAttributes.swift:117
        if (self.contains(ConstraintAttributes.Trailing)) {
ConstraintAttributes.swift:120
        if (self.contains(ConstraintAttributes.Width)) {
ConstraintAttributes.swift:123
        if (self.contains(ConstraintAttributes.Height)) {
ConstraintAttributes.swift:126
        if (self.contains(ConstraintAttributes.CenterX)) {
ConstraintAttributes.swift:129
        if (self.contains(ConstraintAttributes.CenterY)) {
ConstraintAttributes.swift:132
        if (self.contains(ConstraintAttributes.Baseline)) {
ConstraintAttributes.swift:174
internal func +=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
ConstraintAttributes.swift:174
internal func +=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
ConstraintAttributes.swift:177
internal func -=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
ConstraintAttributes.swift:177
internal func -=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
ConstraintAttributes.swift:180
internal func ==(left: ConstraintAttributes, right: ConstraintAttributes) -> Bool {
ConstraintAttributes.swift:180
internal func ==(left: ConstraintAttributes, right: ConstraintAttributes) -> Bool {
ConstraintDescription.swift:183
    internal var left: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Left) }
ConstraintDescription.swift:184
    internal var top: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Top) }
ConstraintDescription.swift:185
    internal var right: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Right) }
ConstraintDescription.swift:186
    internal var bottom: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Bottom) }
ConstraintDescription.swift:187
    internal var leading: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Leading) }
ConstraintDescription.swift:188
    internal var trailing: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Trailing) }
ConstraintDescription.swift:189
    internal var width: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Width) }
ConstraintDescription.swift:190
    internal var height: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Height) }
ConstraintDescription.swift:191
    internal var centerX: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterX) }
ConstraintDescription.swift:192
    internal var centerY: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterY) }
ConstraintDescription.swift:193
    internal var baseline: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Baseline) }
ConstraintDescription.swift:196
    internal var firstBaseline: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.FirstBaseline) }
ConstraintDescription.swift:198
    internal var leftMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.LeftMargin) }
ConstraintDescription.swift:200
    internal var rightMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.RightMargin) }
ConstraintDescription.swift:202
    internal var topMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.TopMargin) }
ConstraintDescription.swift:204
    internal var bottomMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.BottomMargin) }
ConstraintDescription.swift:206
    internal var leadingMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.LeadingMargin) }
ConstraintDescription.swift:208
    internal var trailingMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.TrailingMargin) }
ConstraintDescription.swift:210
    internal var centerXWithinMargins: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterXWithinMargins) }
ConstraintDescription.swift:212
    internal var centerYWithinMargins: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterYWithinMargins) }
ConstraintDescription.swift:218
        self.toItem = ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
ConstraintDescription.swift:535
    private func addConstraint(attributes: ConstraintAttributes) -> ConstraintDescription {
ConstraintDescription.swift:543
        if other.attributes != ConstraintAttributes.None {
ConstraintDescription.swift:551
                other.attributes = ConstraintAttributes.None
ConstraintDescription.swift:560
        return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:565
        return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:570
        return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:575
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:580
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:585
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:590
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:595
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintItem.swift:35
    internal init(object: AnyObject?, attributes: ConstraintAttributes) {
ConstraintItem.swift:41
    internal var attributes: ConstraintAttributes
ConstraintMaker.swift:36
    public var left: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Left) }
ConstraintMaker.swift:39
    public var top: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Top) }
ConstraintMaker.swift:42
    public var right: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Right) }
ConstraintMaker.swift:45
    public var bottom: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Bottom) }
ConstraintMaker.swift:48
    public var leading: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Leading) }
ConstraintMaker.swift:51
    public var trailing: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Trailing) }
ConstraintMaker.swift:54
    public var width: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Width) }
ConstraintMaker.swift:57
    public var height: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Height) }
ConstraintMaker.swift:60
    public var centerX: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterX) }
ConstraintMaker.swift:63
    public var centerY: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterY) }
ConstraintMaker.swift:66
    public var baseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Baseline) }
ConstraintMaker.swift:70
    public var firstBaseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.FirstBaseline) }
ConstraintMaker.swift:74
    public var leftMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeftMargin) }
ConstraintMaker.swift:78
    public var rightMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.RightMargin) }
ConstraintMaker.swift:82
    public var topMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TopMargin) }
ConstraintMaker.swift:86
    public var bottomMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.BottomMargin) }
ConstraintMaker.swift:90
    public var leadingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeadingMargin) }
ConstraintMaker.swift:94
    public var trailingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TrailingMargin) }
ConstraintMaker.swift:98
    public var centerXWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterXWithinMargins) }
ConstraintMaker.swift:102
    public var centerYWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterYWithinMargins) }
ConstraintMaker.swift:105
    public var edges: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Edges) }
ConstraintMaker.swift:108
    public var size: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Size) }
ConstraintMaker.swift:111
    public var center: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Center) }
ConstraintMaker.swift:115
    public var margins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Margins) }
ConstraintMaker.swift:119
    public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) }
ConstraintMaker.swift:132
    internal func makeConstraintDescription(attributes: ConstraintAttributes) -> ConstraintDescription {
View+SnapKit.swift:38
    public var snp_left: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Left) }
View+SnapKit.swift:41
    public var snp_top: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Top) }
View+SnapKit.swift:44
    public var snp_right: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Right) }
View+SnapKit.swift:47
    public var snp_bottom: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Bottom) }
View+SnapKit.swift:50
    public var snp_leading: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Leading) }
View+SnapKit.swift:53
    public var snp_trailing: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Trailing) }
View+SnapKit.swift:56
    public var snp_width: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Width) }
View+SnapKit.swift:59
    public var snp_height: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Height) }
View+SnapKit.swift:62
    public var snp_centerX: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterX) }
View+SnapKit.swift:65
    public var snp_centerY: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterY) }
View+SnapKit.swift:68
    public var snp_baseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Baseline) }
View+SnapKit.swift:72
    public var snp_firstBaseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.FirstBaseline) }
View+SnapKit.swift:76
    public var snp_leftMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeftMargin) }
View+SnapKit.swift:80
    public var snp_rightMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.RightMargin) }
View+SnapKit.swift:84
    public var snp_topMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TopMargin) }
View+SnapKit.swift:88
    public var snp_bottomMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.BottomMargin) }
View+SnapKit.swift:92
    public var snp_leadingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeadingMargin) }
View+SnapKit.swift:96
    public var snp_trailingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TrailingMargin) }
View+SnapKit.swift:100
    public var snp_centerXWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterXWithinMargins) }
View+SnapKit.swift:104
    public var snp_centerYWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterYWithinMargins) }
View+SnapKit.swift:107
    public var snp_edges: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Edges) }
View+SnapKit.swift:110
    public var snp_size: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Size) }
View+SnapKit.swift:113
    public var snp_center: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Center) }
View+SnapKit.swift:117
    public var snp_margins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Margins) }
View+SnapKit.swift:121
    public var snp_centerWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterWithinMargins) }
: OptionSetType, BooleanType {
0034        
0035        internal init
ConstraintAttributes.swift:39
        self.init(rawValue: rawValue)
(rawValue: UInt) {
0036            self.rawValue = rawValue
0037        }
0038        internal init
ConstraintAttributes.swift:46
    internal static var allZeros: ConstraintAttributes { return self.init(0) }
ConstraintAttributes.swift:47
    internal static func convertFromNilLiteral() -> ConstraintAttributes { return self.init(0) }
ConstraintAttributes.swift:51
    internal static func fromRaw(raw: UInt) -> ConstraintAttributes? { return self.init(raw) }
ConstraintAttributes.swift:52
    internal static func fromMask(raw: UInt) -> ConstraintAttributes { return self.init(raw) }
ConstraintAttributes.swift:56
    internal static var None: ConstraintAttributes { return self.init(0) }
ConstraintAttributes.swift:57
    internal static var Left: ConstraintAttributes { return self.init(1) }
ConstraintAttributes.swift:58
    internal static var Top: ConstraintAttributes {  return self.init(2) }
ConstraintAttributes.swift:59
    internal static var Right: ConstraintAttributes { return self.init(4) }
ConstraintAttributes.swift:60
    internal static var Bottom: ConstraintAttributes { return self.init(8) }
ConstraintAttributes.swift:61
    internal static var Leading: ConstraintAttributes { return self.init(16) }
ConstraintAttributes.swift:62
    internal static var Trailing: ConstraintAttributes { return self.init(32) }
ConstraintAttributes.swift:63
    internal static var Width: ConstraintAttributes { return self.init(64) }
ConstraintAttributes.swift:64
    internal static var Height: ConstraintAttributes { return self.init(128) }
ConstraintAttributes.swift:65
    internal static var CenterX: ConstraintAttributes { return self.init(256) }
ConstraintAttributes.swift:66
    internal static var CenterY: ConstraintAttributes { return self.init(512) }
ConstraintAttributes.swift:67
    internal static var Baseline: ConstraintAttributes { return self.init(1024) }
ConstraintAttributes.swift:70
    internal static var FirstBaseline: ConstraintAttributes { return self.init(2048) }
ConstraintAttributes.swift:72
    internal static var LeftMargin: ConstraintAttributes { return self.init(4096) }
ConstraintAttributes.swift:74
    internal static var RightMargin: ConstraintAttributes { return self.init(8192) }
ConstraintAttributes.swift:76
    internal static var TopMargin: ConstraintAttributes { return self.init(16384) }
ConstraintAttributes.swift:78
    internal static var BottomMargin: ConstraintAttributes { return self.init(32768) }
ConstraintAttributes.swift:80
    internal static var LeadingMargin: ConstraintAttributes { return self.init(65536) }
ConstraintAttributes.swift:82
    internal static var TrailingMargin: ConstraintAttributes { return self.init(131072) }
ConstraintAttributes.swift:84
    internal static var CenterXWithinMargins: ConstraintAttributes { return self.init(262144) }
ConstraintAttributes.swift:86
    internal static var CenterYWithinMargins: ConstraintAttributes { return self.init(524288) }
ConstraintAttributes.swift:90
    internal static var Edges: ConstraintAttributes { return self.init(15) }
ConstraintAttributes.swift:91
    internal static var Size: ConstraintAttributes { return self.init(192) }
ConstraintAttributes.swift:92
    internal static var Center: ConstraintAttributes { return self.init(768) }
ConstraintAttributes.swift:95
    internal static var Margins: ConstraintAttributes { return self.init(61440) }
ConstraintAttributes.swift:98
    internal static var CenterWithinMargins: ConstraintAttributes { return self.init(786432) }
(_ rawValue: UInt) {
0039            self.init(rawValue: rawValue)
0040        }
0041        internal init(nilLiteral: ()) {
0042            self.rawValue = 0
0043        }
0044        
0045        internal private(set) var rawValue
ConstraintAttributes.swift:36
        self.rawValue = rawValue
ConstraintAttributes.swift:42
        self.rawValue = 0
ConstraintAttributes.swift:48
    internal var boolValue: Bool { return self.rawValue != 0 }
ConstraintAttributes.swift:50
    internal func toRaw() -> UInt { return self.rawValue }
ConstraintAttributes.swift:181
    return left.rawValue == right.rawValue
ConstraintAttributes.swift:181
    return left.rawValue == right.rawValue
: UInt
0046        internal static var allZeros: ConstraintAttributes { return self.init(0) }
0047        internal static func convertFromNilLiteral() -> ConstraintAttributes { return self.init(0) }
0048        internal var boolValue: Bool { return self.rawValue != 0 }
0049        
0050        internal func toRaw() -> UInt { return self.rawValue }
0051        internal static func fromRaw(raw: UInt) -> ConstraintAttributes? { return self.init(raw) }
0052        internal static func fromMask(raw: UInt) -> ConstraintAttributes { return self.init(raw) }
0053        
0054        // normal
0055        
0056        internal static var None
ConstraintDescription.swift:218
        self.toItem = ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
ConstraintDescription.swift:543
        if other.attributes != ConstraintAttributes.None {
ConstraintDescription.swift:551
                other.attributes = ConstraintAttributes.None
ConstraintDescription.swift:560
        return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:565
        return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:570
        return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:575
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:580
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:585
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:590
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
ConstraintDescription.swift:595
        return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
: ConstraintAttributes { return self.init(0) }
0057        internal static var Left
ConstraintAttributes.swift:102
        if (self.contains(ConstraintAttributes.Left)) {
ConstraintDescription.swift:183
    internal var left: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Left) }
ConstraintMaker.swift:36
    public var left: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Left) }
View+SnapKit.swift:38
    public var snp_left: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Left) }
: ConstraintAttributes { return self.init(1) }
0058        internal static var Top
ConstraintAttributes.swift:105
        if (self.contains(ConstraintAttributes.Top)) {
ConstraintDescription.swift:184
    internal var top: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Top) }
ConstraintMaker.swift:39
    public var top: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Top) }
View+SnapKit.swift:41
    public var snp_top: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Top) }
: ConstraintAttributes {  return self.init(2) }
0059        internal static var Right
ConstraintAttributes.swift:108
        if (self.contains(ConstraintAttributes.Right)) {
ConstraintDescription.swift:185
    internal var right: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Right) }
ConstraintMaker.swift:42
    public var right: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Right) }
View+SnapKit.swift:44
    public var snp_right: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Right) }
: ConstraintAttributes { return self.init(4) }
0060        internal static var Bottom
ConstraintAttributes.swift:111
        if (self.contains(ConstraintAttributes.Bottom)) {
ConstraintDescription.swift:186
    internal var bottom: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Bottom) }
ConstraintMaker.swift:45
    public var bottom: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Bottom) }
View+SnapKit.swift:47
    public var snp_bottom: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Bottom) }
: ConstraintAttributes { return self.init(8) }
0061        internal static var Leading
ConstraintAttributes.swift:114
        if (self.contains(ConstraintAttributes.Leading)) {
ConstraintDescription.swift:187
    internal var leading: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Leading) }
ConstraintMaker.swift:48
    public var leading: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Leading) }
View+SnapKit.swift:50
    public var snp_leading: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Leading) }
: ConstraintAttributes { return self.init(16) }
0062        internal static var Trailing
ConstraintAttributes.swift:117
        if (self.contains(ConstraintAttributes.Trailing)) {
ConstraintDescription.swift:188
    internal var trailing: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Trailing) }
ConstraintMaker.swift:51
    public var trailing: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Trailing) }
View+SnapKit.swift:53
    public var snp_trailing: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Trailing) }
: ConstraintAttributes { return self.init(32) }
0063        internal static var Width
Constraint.swift:217
            if self.fromItem.attributes.isSubsetOf(ConstraintAttributes.Width.union(.Height)) {
ConstraintAttributes.swift:120
        if (self.contains(ConstraintAttributes.Width)) {
ConstraintDescription.swift:189
    internal var width: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Width) }
ConstraintMaker.swift:54
    public var width: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Width) }
View+SnapKit.swift:56
    public var snp_width: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Width) }
: ConstraintAttributes { return self.init(64) }
0064        internal static var Height
Constraint.swift:217
            if self.fromItem.attributes.isSubsetOf(ConstraintAttributes.Width.union(.Height)) {
ConstraintAttributes.swift:123
        if (self.contains(ConstraintAttributes.Height)) {
ConstraintDescription.swift:190
    internal var height: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Height) }
ConstraintMaker.swift:57
    public var height: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Height) }
View+SnapKit.swift:59
    public var snp_height: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Height) }
: ConstraintAttributes { return self.init(128) }
0065        internal static var CenterX
ConstraintAttributes.swift:126
        if (self.contains(ConstraintAttributes.CenterX)) {
ConstraintDescription.swift:191
    internal var centerX: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterX) }
ConstraintMaker.swift:60
    public var centerX: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterX) }
View+SnapKit.swift:62
    public var snp_centerX: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterX) }
: ConstraintAttributes { return self.init(256) }
0066        internal static var CenterY
ConstraintAttributes.swift:129
        if (self.contains(ConstraintAttributes.CenterY)) {
ConstraintDescription.swift:192
    internal var centerY: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterY) }
ConstraintMaker.swift:63
    public var centerY: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterY) }
View+SnapKit.swift:65
    public var snp_centerY: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterY) }
: ConstraintAttributes { return self.init(512) }
0067        internal static var Baseline
ConstraintAttributes.swift:132
        if (self.contains(ConstraintAttributes.Baseline)) {
ConstraintDescription.swift:193
    internal var baseline: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Baseline) }
ConstraintMaker.swift:66
    public var baseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Baseline) }
View+SnapKit.swift:68
    public var snp_baseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Baseline) }
: ConstraintAttributes { return self.init(1024) }
0068        
0069        @available(iOS 8.0, *)
0070        internal static var FirstBaseline
ConstraintDescription.swift:196
    internal var firstBaseline: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.FirstBaseline) }
ConstraintMaker.swift:70
    public var firstBaseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.FirstBaseline) }
View+SnapKit.swift:72
    public var snp_firstBaseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.FirstBaseline) }
: ConstraintAttributes { return self.init(2048) }
0071        @available(iOS 8.0, *)
0072        internal static var LeftMargin
ConstraintDescription.swift:198
    internal var leftMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.LeftMargin) }
ConstraintMaker.swift:74
    public var leftMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeftMargin) }
View+SnapKit.swift:76
    public var snp_leftMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeftMargin) }
: ConstraintAttributes { return self.init(4096) }
0073        @available(iOS 8.0, *)
0074        internal static var RightMargin
ConstraintDescription.swift:200
    internal var rightMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.RightMargin) }
ConstraintMaker.swift:78
    public var rightMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.RightMargin) }
View+SnapKit.swift:80
    public var snp_rightMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.RightMargin) }
: ConstraintAttributes { return self.init(8192) }
0075        @available(iOS 8.0, *)
0076        internal static var TopMargin
ConstraintDescription.swift:202
    internal var topMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.TopMargin) }
ConstraintMaker.swift:82
    public var topMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TopMargin) }
View+SnapKit.swift:84
    public var snp_topMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TopMargin) }
: ConstraintAttributes { return self.init(16384) }
0077        @available(iOS 8.0, *)
0078        internal static var BottomMargin
ConstraintDescription.swift:204
    internal var bottomMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.BottomMargin) }
ConstraintMaker.swift:86
    public var bottomMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.BottomMargin) }
View+SnapKit.swift:88
    public var snp_bottomMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.BottomMargin) }
: ConstraintAttributes { return self.init(32768) }
0079        @available(iOS 8.0, *)
0080        internal static var LeadingMargin
ConstraintDescription.swift:206
    internal var leadingMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.LeadingMargin) }
ConstraintMaker.swift:90
    public var leadingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeadingMargin) }
View+SnapKit.swift:92
    public var snp_leadingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeadingMargin) }
: ConstraintAttributes { return self.init(65536) }
0081        @available(iOS 8.0, *)
0082        internal static var TrailingMargin
ConstraintDescription.swift:208
    internal var trailingMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.TrailingMargin) }
ConstraintMaker.swift:94
    public var trailingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TrailingMargin) }
View+SnapKit.swift:96
    public var snp_trailingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TrailingMargin) }
: ConstraintAttributes { return self.init(131072) }
0083        @available(iOS 8.0, *)
0084        internal static var CenterXWithinMargins
ConstraintDescription.swift:210
    internal var centerXWithinMargins: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterXWithinMargins) }
ConstraintMaker.swift:98
    public var centerXWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterXWithinMargins) }
View+SnapKit.swift:100
    public var snp_centerXWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterXWithinMargins) }
: ConstraintAttributes { return self.init(262144) }
0085        @available(iOS 8.0, *)
0086        internal static var CenterYWithinMargins
ConstraintDescription.swift:212
    internal var centerYWithinMargins: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterYWithinMargins) }
ConstraintMaker.swift:102
    public var centerYWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterYWithinMargins) }
View+SnapKit.swift:104
    public var snp_centerYWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterYWithinMargins) }
: ConstraintAttributes { return self.init(524288) }
0087        
0088        // aggregates
0089        
0090        internal static var Edges
ConstraintMaker.swift:105
    public var edges: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Edges) }
View+SnapKit.swift:107
    public var snp_edges: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Edges) }
: ConstraintAttributes { return self.init(15) }
0091        internal static var Size
ConstraintMaker.swift:108
    public var size: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Size) }
View+SnapKit.swift:110
    public var snp_size: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Size) }
: ConstraintAttributes { return self.init(192) }
0092        internal static var Center
ConstraintMaker.swift:111
    public var center: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Center) }
View+SnapKit.swift:113
    public var snp_center: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Center) }
: ConstraintAttributes { return self.init(768) }
0093        
0094        @available(iOS 8.0, *)
0095        internal static var Margins
ConstraintMaker.swift:115
    public var margins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Margins) }
View+SnapKit.swift:117
    public var snp_margins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Margins) }
: ConstraintAttributes { return self.init(61440) }
0096        
0097        @available(iOS 8.0, *)
0098        internal static var CenterWithinMargins
ConstraintMaker.swift:119
    public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) }
View+SnapKit.swift:121
    public var snp_centerWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterWithinMargins) }
: ConstraintAttributes { return self.init(786432) }
0099        
0100        internal var layoutAttributes
Constraint.swift:237
        let layoutFromAttributes = self.fromItem.attributes.layoutAttributes
Constraint.swift:238
        let layoutToAttributes = self.toItem.attributes.layoutAttributes
ConstraintDescription.swift:544
            let toLayoutAttributes = other.attributes.layoutAttributes
ConstraintDescription.swift:546
                let fromLayoutAttributes = self.fromItem.attributes.layoutAttributes
:[NSLayoutAttribute] {
0101            var attrs = [NSLayoutAttribute]()
0102            if (self.contains(ConstraintAttributes.Left)) {
0103                attrs.append(.Left)
0104            }
0105            if (self.contains(ConstraintAttributes.Top)) {
0106                attrs.append(.Top)
0107            }
0108            if (self.contains(ConstraintAttributes.Right)) {
0109                attrs.append(.Right)
0110            }
0111            if (self.contains(ConstraintAttributes.Bottom)) {
0112                attrs.append(.Bottom)
0113            }
0114            if (self.contains(ConstraintAttributes.Leading)) {
0115                attrs.append(.Leading)
0116            }
0117            if (self.contains(ConstraintAttributes.Trailing)) {
0118                attrs.append(.Trailing)
0119            }
0120            if (self.contains(ConstraintAttributes.Width)) {
0121                attrs.append(.Width)
0122            }
0123            if (self.contains(ConstraintAttributes.Height)) {
0124                attrs.append(.Height)
0125            }
0126            if (self.contains(ConstraintAttributes.CenterX)) {
0127                attrs.append(.CenterX)
0128            }
0129            if (self.contains(ConstraintAttributes.CenterY)) {
0130                attrs.append(.CenterY)
0131            }
0132            if (self.contains(ConstraintAttributes.Baseline)) {
0133                attrs.append(.Baseline)
0134            }
0135            
0136            #if os(iOS) || os(tvOS)
0137            #if SNAPKIT_DEPLOYMENT_LEGACY
0138            guard #available(iOS 8.0, *) else {
0139                return attrs
0140            }
0141            #endif
0142            if (self.contains(ConstraintAttributes.FirstBaseline)) {
0143                attrs.append(.FirstBaseline)
0144            }
0145            if (self.contains(ConstraintAttributes.LeftMargin)) {
0146                attrs.append(.LeftMargin)
0147            }
0148            if (self.contains(ConstraintAttributes.RightMargin)) {
0149                attrs.append(.RightMargin)
0150            }
0151            if (self.contains(ConstraintAttributes.TopMargin)) {
0152                attrs.append(.TopMargin)
0153            }
0154            if (self.contains(ConstraintAttributes.BottomMargin)) {
0155                attrs.append(.BottomMargin)
0156            }
0157            if (self.contains(ConstraintAttributes.LeadingMargin)) {
0158                attrs.append(.LeadingMargin)
0159            }
0160            if (self.contains(ConstraintAttributes.TrailingMargin)) {
0161                attrs.append(.TrailingMargin)
0162            }
0163            if (self.contains(ConstraintAttributes.CenterXWithinMargins)) {
0164                attrs.append(.CenterXWithinMargins)
0165            }
0166            if (self.contains(ConstraintAttributes.CenterYWithinMargins)) {
0167                attrs.append(.CenterYWithinMargins)
0168            }
0169            #endif
0170            
0171            return attrs
0172        }
0173    }
0174    internal func +=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
0175        left.unionInPlace(right)
0176    }
0177    internal func -=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
0178        left.subtractInPlace(right)
0179    }
0180    internal func ==(left: ConstraintAttributes, right: ConstraintAttributes) -> Bool {
0181        return left.rawValue == right.rawValue
0182    }
0183