зеркало из https://github.com/CryptoPro/go.git
68 строки
1.1 KiB
Go
68 строки
1.1 KiB
Go
// run
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// Copyright 2017 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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// Test forms of method expressions T.m where T is
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// a literal type.
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package main
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var got, want string
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type I interface {
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m()
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}
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type S struct {
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}
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func (S) m() { got += " m()" }
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func (S) m1(s string) { got += " m1(" + s + ")" }
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type T int
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func (T) m2() { got += " m2()" }
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type Outer struct{ *Inner }
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type Inner struct{ s string }
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func (i Inner) M() string { return i.s }
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func main() {
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// method expressions with named receiver types
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I.m(S{})
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want += " m()"
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S.m1(S{}, "a")
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want += " m1(a)"
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// method expressions with literal receiver types
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f := interface{ m1(string) }.m1
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f(S{}, "b")
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want += " m1(b)"
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interface{ m1(string) }.m1(S{}, "c")
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want += " m1(c)"
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x := S{}
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interface{ m1(string) }.m1(x, "d")
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want += " m1(d)"
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g := struct{ T }.m2
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g(struct{ T }{})
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want += " m2()"
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if got != want {
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panic("got" + got + ", want" + want)
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}
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h := (*Outer).M
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got := h(&Outer{&Inner{"hello"}})
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want := "hello"
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if got != want {
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panic("got " + got + ", want " + want)
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}
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}
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