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70 lines
2.3 KiB
Swift
70 lines
2.3 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-emit-module-interface(%t/ResultBuilders.swiftinterface) %s -module-name ResultBuilders
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// RUN: %FileCheck %s < %t/ResultBuilders.swiftinterface
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// RUN: %target-swift-frontend -I %t -typecheck -verify %S/Inputs/result_builders_client.swift
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// RUN: %target-swift-frontend -compile-module-from-interface %t/ResultBuilders.swiftinterface -o %t/ResultBuilders.swiftmodule
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// RUN: %FileCheck %s < %t/ResultBuilders.swiftinterface
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// CHECK: @_functionBuilder public struct TupleBuilder
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@resultBuilder
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public struct TupleBuilder {
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public static func buildBlock<T1, T2>(_ t1: T1, _ t2: T2) -> (T1, T2) {
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return (t1, t2)
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}
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public static func buildBlock<T1, T2, T3>(_ t1: T1, _ t2: T2, _ t3: T3)
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-> (T1, T2, T3) {
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return (t1, t2, t3)
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}
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public static func buildBlock<T1, T2, T3, T4>(_ t1: T1, _ t2: T2, _ t3: T3, _ t4: T4)
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-> (T1, T2, T3, T4) {
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return (t1, t2, t3, t4)
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}
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public static func buildBlock<T1, T2, T3, T4, T5>(
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_ t1: T1, _ t2: T2, _ t3: T3, _ t4: T4, _ t5: T5
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) -> (T1, T2, T3, T4, T5) {
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return (t1, t2, t3, t4, t5)
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}
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public static func buildDo<T1, T2>(_ t1: T1, _ t2: T2) -> (T1, T2) {
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return (t1, t2)
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}
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public static func buildDo<T1, T2, T3>(_ t1: T1, _ t2: T2, _ t3: T3)
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-> (T1, T2, T3) {
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return (t1, t2, t3)
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}
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public static func buildIf<T>(_ value: T?) -> T? { return value }
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}
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// CHECK-LABEL: public func tuplify<T>(_ cond: Swift.Bool, @ResultBuilders.TupleBuilder body: (Swift.Bool) -> T)
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public func tuplify<T>(_ cond: Bool, @TupleBuilder body: (Bool) -> T) {
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print(body(cond))
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}
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public struct UsesBuilderProperty {
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// CHECK: public var myVar: (Swift.String, Swift.String) {
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// CHECK-NEXT: get
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// CHECK-NEXT: }
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@TupleBuilder public var myVar: (String, String) {
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"hello"
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"goodbye"
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}
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// CHECK: public func myFunc(@ResultBuilders.TupleBuilder fn: () -> ())
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public func myFunc(@TupleBuilder fn: () -> ()) {}
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}
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public protocol ProtocolWithBuilderProperty {
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associatedtype Assoc
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// CHECK: @ResultBuilders.TupleBuilder var myVar: Self.Assoc { get }
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@TupleBuilder var myVar: Assoc { get }
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// CHECK: @ResultBuilders.TupleBuilder func myFunc<T1, T2>(_ t1: T1, _ t2: T2) -> (T1, T2)
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@TupleBuilder func myFunc<T1, T2>(_ t1: T1, _ t2: T2) -> (T1, T2)
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}
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