mirror of
https://github.com/golang/go
synced 2024-11-15 01:40:25 -07:00
950a56899a
Method expressions with anonymous receiver types like "struct { T }.m"
require wrapper functions, which we weren't always creating. This in
turn resulted in linker errors.
This CL ensures that we generate wrapper functions for any anonymous
receiver types used in a method expression.
Fixes #22444.
Change-Id: Ia8ac27f238c2898965e57b82a91d959792d2ddd4
Reviewed-on: https://go-review.googlesource.com/105044
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
56 lines
940 B
Go
56 lines
940 B
Go
// run
|
|
|
|
// Copyright 2017 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.
|
|
|
|
// Test forms of method expressions T.m where T is
|
|
// a literal type.
|
|
|
|
package main
|
|
|
|
var got, want string
|
|
|
|
type I interface {
|
|
m()
|
|
}
|
|
|
|
type S struct {
|
|
}
|
|
|
|
func (S) m() { got += " m()" }
|
|
func (S) m1(s string) { got += " m1(" + s + ")" }
|
|
|
|
type T int
|
|
|
|
func (T) m2() { got += " m2()" }
|
|
|
|
func main() {
|
|
// method expressions with named receiver types
|
|
I.m(S{})
|
|
want += " m()"
|
|
|
|
S.m1(S{}, "a")
|
|
want += " m1(a)"
|
|
|
|
// method expressions with literal receiver types
|
|
f := interface{ m1(string) }.m1
|
|
f(S{}, "b")
|
|
want += " m1(b)"
|
|
|
|
interface{ m1(string) }.m1(S{}, "c")
|
|
want += " m1(c)"
|
|
|
|
x := S{}
|
|
interface{ m1(string) }.m1(x, "d")
|
|
want += " m1(d)"
|
|
|
|
g := struct{ T }.m2
|
|
g(struct{ T }{})
|
|
want += " m2()"
|
|
|
|
if got != want {
|
|
panic("got" + got + ", want" + want)
|
|
}
|
|
}
|