go issue50417b 源码
golang issue50417b 代码
文件路径：/test/typeparam/issue50417b.go
// run
// Copyright 2022 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
func main() {}
// Field accesses through type parameters are disabled
// until we have a more thorough understanding of the
// implications on the spec. See issue #51576.
/*
import "fmt"
type MyStruct struct {
b1, b2 string
E
}
type E struct {
val int
}
type C interface {
~struct {
b1, b2 string
E
}
}
func f[T C]() T {
var x T = T{
b1: "a",
b2: "b",
}
if got, want := x.b2, "b"; got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
x.b1 = "y"
x.val = 5
return x
}
func main() {
x := f[MyStruct]()
if got, want := x.b1, "y"; got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
if got, want := x.val, 5; got != want {
panic(fmt.Sprintf("got %d, want %d", got, want))
}
}
*/
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