Files
swift-mirror/test/Interpreter/value_generics.swift
2025-10-02 10:27:44 -07:00

64 lines
1.2 KiB
Swift

// RUN: %target-run-simple-swift(-Xfrontend -disable-availability-checking) | %FileCheck %s
// UNSUPPORTED: use_os_stdlib
// UNSUPPORTED: back_deployment_runtime
// REQUIRES: executable_test
struct A<let N: Int, let M: Int> {
func foo() {
print("Lower: \(N), Upper: \(M)")
}
}
extension A where N == 2 {
struct B {}
}
extension A where M == 5 {
struct C {}
}
extension A where N == M {
struct D {}
}
func getA<let N: Int>() -> A<N, N> {
A()
}
// CHECK: main.A<123, 321>
print(_typeName(A<123, 321>.self, qualified: true))
// CHECK: (extension in main):main.A<2, 9582>.B
print(_typeName(A<2, 9582>.B.self, qualified: true))
// CHECK: (extension in main):main.A<942735, 5>.C
print(_typeName(A<942735, 5>.C.self, qualified: true))
let x: A<-5, -5> = getA()
// CHECK: main.A<-5, -5>
print(_typeName(type(of: x), qualified: true))
// CHECK: Lower: 1, Upper: 8
A<1, 8>().foo()
// CHECK: Lower: 0, Upper: 8
A<0, 8>().foo()
// CHECK: Lower: -1, Upper: 8
A< -1, 8>().foo()
// CHECK: Lower: -2, Upper: 8
A< -2, 8>().foo()
// CHECK: Lower: -3, Upper: 8
A< -3, 8>().foo()
// CHECK: Lower: -4, Upper: 8
A< -4, 8>().foo()
// CHECK: Lower: -5, Upper: 8
A< -5, 8>().foo()