mirror of
https://github.com/golang/go
synced 2024-11-18 04:04:49 -07:00
32 lines
423 B
Go
32 lines
423 B
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() {
|
||
|
|
f[int]()
|
||
|
|
}
|
||
|
|
|
||
|
|
func f[T any]() {
|
||
|
|
switch []T(nil) {
|
||
|
|
case nil:
|
||
|
|
default:
|
||
|
|
panic("FAIL")
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (func() T)(nil) {
|
||
|
|
case nil:
|
||
|
|
default:
|
||
|
|
panic("FAIL")
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (map[int]T)(nil) {
|
||
|
|
case nil:
|
||
|
|
default:
|
||
|
|
panic("FAIL")
|
||
|
|
}
|
||
|
|
}
|