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Then.swift
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94 lines (85 loc) · 2.84 KB
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// The MIT License (MIT)
//
// Copyright (c) 2015 Suyeol Jeon (xoul.kr)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
import Foundation
#if !os(Linux)
import CoreGraphics
#endif
#if os(iOS) || os(tvOS)
import UIKit.UIGeometry
#endif
public protocol Then {}
public extension Then where Self: Any {
/// Makes it available to set properties with closures just after initializing and copying the value types.
///
/// let frame = CGRect().with {
/// $0.origin.x = 10
/// $0.size.width = 100
/// }
@inlinable
func with(_ block: (inout Self) throws -> Void) rethrows -> Self {
var copy = self
try block(©)
return copy
}
/// Makes it available to execute something with closures.
///
/// UserDefaults.standard.do {
/// $0.set("devxoul", forKey: "username")
/// $0.set("devxoul@gmail.com", forKey: "email")
/// $0.synchronize()
/// }
@inlinable
func `do`(_ block: (Self) throws -> Void) rethrows {
try block(self)
}
}
public extension Then where Self: AnyObject {
/// Makes it available to set properties with closures just after initializing.
///
/// let label = UILabel().then {
/// $0.textAlignment = .center
/// $0.textColor = UIColor.black
/// $0.text = "Hello, World!"
/// }
@inlinable
func then(_ block: (Self) throws -> Void) rethrows -> Self {
try block(self)
return self
}
}
extension NSObject: Then {}
#if !os(Linux)
extension CGPoint: Then {}
extension CGRect: Then {}
extension CGSize: Then {}
extension CGVector: Then {}
#endif
extension Array: Then {}
extension Dictionary: Then {}
extension Set: Then {}
extension JSONDecoder: Then {}
extension JSONEncoder: Then {}
#if os(iOS) || os(tvOS)
extension UIEdgeInsets: Then {}
extension UIOffset: Then {}
extension UIRectEdge: Then {}
#endif