| // errorcheck | |
| // 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 | |
| func f[T interface{ ~[]P }, P any](t T) { // ERROR "instantiation cycle" | |
| if t == nil { | |
| return | |
| } | |
| f[[]T, T]([]T{t}) | |
| } | |
| func main() { | |
| f[[]int](nil) | |
| } |