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// run -gcflags=-G=3
// 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.
package main
import (
"fmt"
)
type _E[T any] struct {
v T
}
type _S1 struct {
_E[int]
v string
}
type _Eint = _E[int]
type _Ebool = _E[bool]
type _S2 struct {
_Eint
_Ebool
v string
}
type _S3 struct {
*_E[int]
}
func main() {
s1 := _S1{_Eint{2}, "foo"}
if got, want := s1._E.v, 2; got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
s2 := _S2{_Eint{3}, _Ebool{true}, "foo"}
if got, want := s2._Eint.v, 3; got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
var s3 _S3
s3._E = &_Eint{4}
if got, want := s3._E.v, 4; got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
}
|
