26 lines
365 B
Go
26 lines
365 B
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
|
|
|
|
type Constraint[T any] interface {
|
|
~func() T
|
|
}
|
|
|
|
func Foo[T Constraint[T]]() T {
|
|
var t T
|
|
|
|
t = func() T {
|
|
return t
|
|
}
|
|
return t
|
|
}
|
|
|
|
func main() {
|
|
type Bar func() Bar
|
|
Foo[Bar]()
|
|
}
|