// 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 type String string func g[P any](P, string) {} // String and string are not identical and thus must not unify // (they are element types of the func type and therefore must // be identical to match). // The result is an error from type inference, rather than an // error from an assignment mismatch. var f func(int, String) = g // ERROR "inferred type func(int, string) for func(P, string) does not match type func(int, String) of f"