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 add extra information to the actual `NSLayoutConstraint`'s that will UIKit/AppKit will utilize
0032    */
0033    public class LayoutConstraint
Constraint.swift:35
    public func install() -> [LayoutConstraint] { fatalError("Must be implemented by Concrete subclass.") }
Constraint.swift:132
    internal override func install() -> [LayoutConstraint] {
Constraint.swift:151
        let layoutConstraints = self.installInfo!.layoutConstraints.allObjects as! [LayoutConstraint]
Constraint.swift:166
        let layoutConstraints = self.installInfo!.layoutConstraints.allObjects as! [LayoutConstraint]
Constraint.swift:179
                for layoutConstraint in installInfo.layoutConstraints.allObjects as! [LayoutConstraint] {
Constraint.swift:189
                for layoutConstraint in installInfo.layoutConstraints.allObjects as! [LayoutConstraint] {
Constraint.swift:207
    internal func installOnView(updateExisting updateExisting: Bool = false, file: String? = nil, line: UInt? = nil) -> [LayoutConstraint] {
Constraint.swift:233
            return self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint] ?? []
Constraint.swift:236
        var newLayoutConstraints = [LayoutConstraint]()
Constraint.swift:264
            let layoutConstraint = LayoutConstraint(
Constraint.swift:288
            var newLayoutConstraintsToKeep = [LayoutConstraint]()
Constraint.swift:293
                var updateLayoutConstraint: LayoutConstraint? = nil
Constraint.swift:345
            let installedLayoutConstraints = installInfo.layoutConstraints.allObjects as? [LayoutConstraint] {
Debugging.swift:49
public extension LayoutConstraint {
Debugging.swift:123
    } else if let object = object as? LayoutConstraint {
Debugging.swift:129
    if let object = object as? LayoutConstraint, let file = object.snp_makerFile, let line = object.snp_makerLine {
LayoutConstraint.swift:39
internal func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool {
LayoutConstraint.swift:39
internal func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool {
View+SnapKit.swift:172
            if let constraints = objc_getAssociatedObject(self, &installedLayoutConstraintsKey) as? [LayoutConstraint] {
View+SnapKit.swift:170
    internal var snp_installedLayoutConstraints: [LayoutConstraint] {
: NSLayoutConstraint {
0034        
0035        internal var snp_constraint
Constraint.swift:277
            layoutConstraint.snp_constraint = self
ConstraintMaker.swift:193
            existingLayoutConstraint.snp_constraint?.uninstall()
Debugging.swift:104
        return self.snp_constraint?.makerFile
Debugging.swift:108
        return self.snp_constraint?.makerLine
: Constraint? = nil
0036        
0037    }
0038    
0039    internal func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool {
0040        if left.firstItem !== right.firstItem {
0041            return false
0042        }
0043        if left.secondItem !== right.secondItem {
0044            return false
0045        }
0046        if left.firstAttribute != right.firstAttribute {
0047            return false
0048        }
0049        if left.secondAttribute != right.secondAttribute {
0050            return false
0051        }
0052        if left.relation != right.relation {
0053            return false
0054        }
0055        if left.priority != right.priority {
0056            return false
0057        }
0058        if left.multiplier != right.multiplier {
0059            return false
0060        }
0061        return true
0062    }
0063    
0064