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// run -gcflags=-G=3
// 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 Recv <-chan int
type sliceOf[E any] interface {
type []E
}
func _Append[S sliceOf[T], T any](s S, t ...T) S {
return append(s, t...)
}
func main() {
recv := make(Recv)
a := _Append([]Recv{recv}, recv)
if len(a) != 2 || a[0] != recv || a[1] != recv {
panic(a)
}
recv2 := make(chan<- int)
a2 := _Append([]chan<- int{recv2}, recv2)
if len(a2) != 2 || a2[0] != recv2 || a2[1] != recv2 {
panic(a)
}
}
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