cesteban

@interface Shape : NSObject
@end

@interface Circle : Shape
@end

@interface Triangle : Shape
- (BOOL)isEquilateral;
@end

cesteban

// clang -o test-proto -Wall -framework Foundation -fmodules -fobjc-arc test-proto.m && test

@import Foundation;

@protocol A <NSObject>
@property (nonatomic, copy, readonly) NSString *a;
@end

@protocol B <A>
@property (nonatomic, copy, readonly) NSString *b;

cesteban

extension ASLayoutElement {
  public func withOverlay(_ overlay: ASLayoutElement) -> ASOverlayLayoutSpec {
    return ASOverlayLayoutSpec(child: self, overlay: overlay)
  }

  public func withBackgorund(_ background: ASLayoutElement) -> ASBackgroundLayoutSpec {
    return ASBackgroundLayoutSpec(child: self, background: background)
  }

  public func withRatio(_ ratio: CGFloat) -> ASRatioLayoutSpec {