| // -lang=go1.20 |
| |
| // Copyright 2023 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 g[P any](P) {} |
| func h[P, Q any](P) Q { panic(0) } |
| |
| var _ func(int) = g /* ERROR "implicitly instantiated function in assignment requires go1.21 or later" */ |
| var _ func(int) string = h[ /* ERROR "partially instantiated function in assignment requires go1.21 or later" */ int] |
| |
| func f1(func(int)) {} |
| func f2(int, func(int)) {} |
| |
| func _() { |
| f1(g /* ERROR "implicitly instantiated function as argument requires go1.21 or later" */) |
| f2(0, g /* ERROR "implicitly instantiated function as argument requires go1.21 or later" */) |
| } |