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// RUN: %target-typecheck-verify-swift
struct Result {}
@resultBuilder
struct Builder { // expected-note 4 {{add 'buildOptional(_:)' to the result builder 'Builder' to add support for 'if' statements without an 'else'}}
static func buildBlock() -> Result {
Result()
}
}
func test_builder<T>(@Builder _: () -> T) {}
func test_builder(@Builder _: () -> Int) {}
test_builder { // expected-error {{no exact matches in call to global function 'test_builder'}}
let _ = 0
// expected-error@+2 {{cannot find 'does_not_exist' in scope}}
// expected-note@+1 2 {{closure containing control flow statement cannot be used with result builder 'Builder'}}
if let x = does_not_exist {
}
}
func test(_: Int) -> Bool {
return false
}
test_builder {
let totalSeconds = 42000 // expected-note {{'totalSeconds' declared here}}
test(totalseconds / 3600) // expected-error {{cannot find 'totalseconds' in scope; did you mean 'totalSeconds'?}}
}
test_builder { // expected-error {{no exact matches in call to global function 'test_builder'}}
test(doesntExist()) // expected-error {{cannot find 'doesntExist' in scope}}
// expected-note@+1 2 {{closure containing control flow statement cannot be used with result builder 'Builder'}}
if let result = doesntExist() { // expected-error {{cannot find 'doesntExist' in scope}}
}
if bar = test(42) {} // expected-error {{cannot find 'bar' in scope}}
let foo = bar() // expected-error {{cannot find 'bar' in scope}}
switch (doesntExist()) { // expected-error {{cannot find 'doesntExist' in scope}}
}
}
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