0001    /// Convenience wrapper for generically storing values of type `T` in thread-local storage.
0002    internal final class ThreadLocal
Regex.swift:116
    get { return ThreadLocal(_lastMatchKey).value }
Regex.swift:117
    set { ThreadLocal(_lastMatchKey).value = newValue }
<T
ThreadLocal.swift:13
      return (value as? Box<T>).map { $0.value } ?? value as? T
ThreadLocal.swift:13
      return (value as? Box<T>).map { $0.value } ?? value as? T
ThreadLocal.swift:10
  var value: T? {
> {
0003    
0004      let key
ThreadLocal.swift:7
    self.key = key
ThreadLocal.swift:12
      guard let value = _currentThread.threadDictionary[key] else { return nil }
ThreadLocal.swift:16
      _currentThread.threadDictionary[key] = (newValue as? AnyObject) ?? newValue.map(Box.init)
: String
0005    
0006      init
Regex.swift:116
    get { return ThreadLocal(_lastMatchKey).value }
Regex.swift:117
    set { ThreadLocal(_lastMatchKey).value = newValue }
(_ key: String) {
0007        self.key = key
0008      }
0009    
0010      var value
Regex.swift:116
    get { return ThreadLocal(_lastMatchKey).value }
Regex.swift:117
    set { ThreadLocal(_lastMatchKey).value = newValue }
: T? {
0011        get {
0012          guard let value = _currentThread.threadDictionary[key] else { return nil }
0013          return (value as? Box<T>).map { $0.value } ?? value as? T
0014        }
0015        set {
0016          _currentThread.threadDictionary[key] = (newValue as? AnyObject) ?? newValue.map(Box.init)
0017        }
0018      }
0019    
0020      private var _currentThread
ThreadLocal.swift:12
      guard let value = _currentThread.threadDictionary[key] else { return nil }
ThreadLocal.swift:16
      _currentThread.threadDictionary[key] = (newValue as? AnyObject) ?? newValue.map(Box.init)
: NSThread {
0021        return NSThread.currentThread()
0022      }
0023    
0024    }
0025    
0026    private class Box
ThreadLocal.swift:13
      return (value as? Box<T>).map { $0.value } ?? value as? T
ThreadLocal.swift:16
      _currentThread.threadDictionary[key] = (newValue as? AnyObject) ?? newValue.map(Box.init)
<T
ThreadLocal.swift:27
  let value: T
ThreadLocal.swift:28
  init(_ value: T) { self.value = value }
> {
0027      let value
ThreadLocal.swift:13
      return (value as? Box<T>).map { $0.value } ?? value as? T
ThreadLocal.swift:28
  init(_ value: T) { self.value = value }
: T
0028      init
ThreadLocal.swift:16
      _currentThread.threadDictionary[key] = (newValue as? AnyObject) ?? newValue.map(Box.init)
(_ value: T) { self.value = value }
0029    }
0030    
0031    import Foundation
0032