// 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 p type T[P any] struct{} func (T[P]) m1() type A1 = T func (A1[P]) m2() {} type A2 = T[int] func (A2 /* ERROR cannot define methods on instantiated type T\[int\] */) m3() {} func (_ /* ERROR cannot define methods on instantiated type T\[int\] */ A2) m4() {} func (T[int]) m5() {} // int is the type parameter name, not an instantiation func (T[* /* ERROR must be an identifier */ int]) m6() {} // syntax error