mirror of https://go.googlesource.com/go
60 lines
632 B
Go
60 lines
632 B
Go
// run
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// Copyright 2020 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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func main() {
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{
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i := I(A{})
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b := make(chan I, 1)
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b <- B{}
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var ok bool
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i, ok = <-b
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_ = ok
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i.M()
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}
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{
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i := I(A{})
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b := make(chan I, 1)
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b <- B{}
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select {
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case i = <-b:
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}
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i.M()
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}
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{
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i := I(A{})
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b := make(chan I, 1)
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b <- B{}
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var ok bool
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select {
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case i, ok = <-b:
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}
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_ = ok
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i.M()
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}
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}
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type I interface{ M() int }
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type T int
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func (T) M() int { return 0 }
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type A struct{ T }
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type B struct{ T }
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