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// RUN: %target-typecheck-verify-swift
// rdar://81228221
@resultBuilder
struct Builder {
static func buildBlock(_ components: Int...) -> Int { 0 }
static func buildEither(first component: Int) -> Int { 0 }
static func buildEither(second component: Int) -> Int { 0 }
static func buildOptional(_ component: Int?) -> Int { 0 }
static func buildArray(_ components: [Int]) -> Int { 0 }
}
@Builder
func foo(_ x: String) -> Int {
if .random() {
switch x {
case 1: // expected-error {{expression pattern of type 'Int' cannot match values of type 'String'}}
0
default:
1
}
}
}
@Builder
func bar(_ x: String) -> Int {
switch 0 {
case 0:
switch x {
case 1: // expected-error {{expression pattern of type 'Int' cannot match values of type 'String'}}
0
default:
1
}
default:
0
}
}
@Builder
func baz(_ x: String) -> Int {
do {
switch x {
case 1: // expected-error {{expression pattern of type 'Int' cannot match values of type 'String'}}
0
default:
1
}
}
}
@Builder
func qux(_ x: String) -> Int {
for _ in 0 ... 0 {
switch x {
case 1: // expected-error {{expression pattern of type 'Int' cannot match values of type 'String'}}
0
default:
1
}
}
}
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