golang/test/fixedbugs/issue68526.dir/main.go

46 lines
885 B
Go

// Copyright 2024 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.
//go:build goexperiment.aliastypeparams
package main
import (
"fmt"
"issue68526.dir/a"
)
func main() {
unexported()
exported()
}
func unexported() {
var want struct{ F int }
if any(want) != any(a.B{}) || any(want) != any(a.F()) {
panic("zero value of alias and concrete type not identical")
}
}
func exported() {
var (
astr a.A[string]
aint a.A[int]
)
if any(astr) != any(struct{ F string }{}) || any(aint) != any(struct{ F int }{}) {
panic("zero value of alias and concrete type not identical")
}
if any(astr) == any(aint) {
panic("zero value of struct{ F string } and struct{ F int } are not distinct")
}
if got := fmt.Sprintf("%T", astr); got != "struct { F string }" {
panic(got)
}
}