golang issue51472 代码
文件路径：/src/cmd/compile/internal/types2/testdata/fixedbugs/issue51472.go
/ 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 p
func _[T comparable](x T) {
_ = x == x
}
func _[T interface{interface{comparable}}](x T) {
_ = x == x
}
func _[T interface{comparable; interface{comparable}}](x T) {
_ = x == x
}
func _[T interface{comparable; ~int}](x T) {
_ = x == x
}
func _[T interface{comparable; ~[]byte}](x T) {
_ = x /* ERROR cannot compare */ == x
}
/ TODO(gri) The error message here should be better. See issue #51525.
func _[T interface{comparable; ~int; ~string}](x T) {
_ = x /* ERROR cannot compare */ == x
}
/ TODO(gri) The error message here should be better. See issue #51525.
func _[T interface{~int; ~string}](x T) {
_ = x /* ERROR cannot compare */ == x
}
func _[T interface{comparable; interface{~int}; interface{int|float64}}](x T) {
_ = x == x
}
func _[T interface{interface{comparable; ~int}; interface{~float64; comparable; m()}}](x T) {
_ = x /* ERROR cannot compare */ == x
}
/ test case from issue
func f[T interface{comparable; []byte|string}](x T) {
_ = x == x
}
func _(s []byte) {
f( /* ERROR \[\]byte does not implement interface{comparable; \[\]byte\|string} */ s)
_ = f[[ /* ERROR does not implement */ ]byte]
}