golang/test/typeparam/issue48538.go

61 lines
790 B
Go

// compile
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Testing composite literal for a type param constrained to be a struct or a map.
package p
type C interface {
~struct{ b1, b2 string }
}
func f[T C]() T {
return T{
b1: "a",
b2: "b",
}
}
func f2[T ~struct{ b1, b2 string }]() T {
return T{
b1: "a",
b2: "b",
}
}
type D interface {
map[string]string | S
}
type S map[string]string
func g[T D]() T {
b1 := "foo"
b2 := "bar"
return T{
b1: "a",
b2: "b",
}
}
func g2[T map[string]string]() T {
b1 := "foo"
b2 := "bar"
return T{
b1: "a",
b2: "b",
}
}
func g3[T S]() T {
b1 := "foo"
b2 := "bar"
return T{
b1: "a",
b2: "b",
}
}