go issue48253 源码
golang issue48253 代码
文件路径：/test/typeparam/issue48253.go
// run
// 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 (
"reflect"
)
type A[T any] struct {
B[int]
}
type B[T any] struct {
}
func (b B[T]) Bat() {
t := new(T)
if tt := reflect.TypeOf(t); tt.Kind() != reflect.Pointer || tt.Elem().Kind() != reflect.Int {
panic("unexpected type, want: *int, got: "+tt.String())
}
}
type Foo struct {
A[string]
}
func main() {
Foo{}.A.Bat()
Foo{}.A.B.Bat()
Foo{}.Bat()
}
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