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3949faf72e
For #49512 Change-Id: Ic08652a4ec611b27150bf10b1118c1395715e5d0 Reviewed-on: https://go-review.googlesource.com/c/go/+/363156 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Than McIntosh <thanm@google.com>
55 lines
809 B
Go
55 lines
809 B
Go
// run
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type S struct{
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m1Called, m2Called bool
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}
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func (s *S) M1(int) (int, int) {
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s.m1Called = true
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return 0, 0
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}
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func (s *S) M2(int) (int, int) {
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s.m2Called = true
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return 0, 0
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}
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type C struct {
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calls []func(int) (int, int)
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}
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func makeC() Funcs {
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return &C{}
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}
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func (c *C) Add(fn func(int) (int, int)) Funcs {
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c.calls = append(c.calls, fn)
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return c
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}
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func (c *C) Call() {
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for _, fn := range c.calls {
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fn(0)
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}
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}
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type Funcs interface {
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Add(func(int) (int, int)) Funcs
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Call()
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}
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func main() {
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s := &S{}
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c := makeC().Add(s.M1).Add(s.M2)
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c.Call()
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if !s.m1Called || !s.m2Called {
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panic("missed method call")
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}
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}
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