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Iceman 10/12/2021 10:42 AM
これはできるのに
10:42 AM
@swift-5.5.3 @resultBuilder enum MyBuilder { static func buildBlock<C>(_ c: C) -> C { c } @_disfavoredOverload static func buildBlock<C>(_ c: C) -> Int { 1 } } func f(@MyBuilder content: () -> Int) { print(content()) } f { "" }