1// Copyright 2019 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package p 6 7func A(x interface { 8 X() int 9}) int { 10 return x.X() 11} 12 13func B(x interface { 14 X() int 15}) int { 16 return x.X() 17} 18