mirror of
https://github.com/golang/go.git
synced 2025-11-03 18:20:59 +00:00
53fd522c0d
Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// run
|
|
|
|
// Copyright 2010 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 for issue 778: Map key values that are assignment
|
|
// compatible with the map key type must be accepted according
|
|
// to the spec: https://golang.org/doc/go_spec.html#Indexes .
|
|
|
|
package main
|
|
|
|
type T2 struct {
|
|
x int
|
|
}
|
|
|
|
func (t *T2) f() int { return t.x }
|
|
|
|
func main() {
|
|
type B bool
|
|
b := B(false)
|
|
mb := make(map[B]int)
|
|
mb[false] = 42 // this should work: false is assignment compatible with B
|
|
mb[b] = 42
|
|
|
|
type Z int
|
|
z := Z(0)
|
|
mz := make(map[Z]int)
|
|
mz[0] = 42
|
|
mz[z] = 42
|
|
|
|
type S string
|
|
s := S("foo")
|
|
ms := make(map[S]int)
|
|
ms["foo"] = 42
|
|
ms[s] = 42
|
|
|
|
type T struct {
|
|
x int
|
|
}
|
|
type P *T
|
|
p := P(nil)
|
|
mp := make(map[P]int)
|
|
mp[nil] = 42
|
|
mp[p] = 42
|
|
mp[&T{7}] = 42
|
|
|
|
type C chan int
|
|
c := make(C)
|
|
mc := make(map[C]int)
|
|
mc[nil] = 42
|
|
mc[c] = 42
|
|
mc[make(C)] = 42
|
|
|
|
type I1 interface{}
|
|
type I2 interface {
|
|
f() int
|
|
}
|
|
var i0 interface{} = z
|
|
var i1 I1 = p
|
|
m0 := make(map[interface{}]int)
|
|
m1 := make(map[I1]int)
|
|
m2 := make(map[I2]int)
|
|
m0[i0] = 42
|
|
m0[i1] = 42
|
|
m0[z] = 42 // this should work: z is assignment-compatible with interface{}
|
|
m0[new(struct {
|
|
x int
|
|
})] = 42 // this should work: *struct{x int} is assignment-compatible with interface{}
|
|
m0[p] = 42 // this should work: p is assignment-compatible with interface{}
|
|
m0[false] = 42 // this should work: false is assignment-compatible with interface{}
|
|
m0[17] = 42 // this should work: 17 is assignment-compatible with interface{}
|
|
m0["foo"] = 42 // this should work: "foo" is assignment-compatible with interface{}
|
|
|
|
m1[i0] = 42
|
|
m1[i1] = 42
|
|
m1[new(struct {
|
|
x int
|
|
})] = 42 // this should work: *struct{x int} is assignment-compatible with I1
|
|
m1[false] = 42 // this should work: false is assignment-compatible with I1
|
|
m1[17] = 42 // this should work: 17 is assignment-compatible with I1
|
|
m1["foo"] = 42 // this should work: "foo" is assignment-compatible with I1
|
|
|
|
m2[new(T2)] = 42 // this should work: *T2 is assignment-compatible with I2
|
|
}
|
|
|
|
/*
|
|
6g -e bug286.go
|
|
bug286.go:23: invalid map index false - need type B
|
|
bug286.go:80: invalid map index z - need type interface { }
|
|
bug286.go:83: invalid map index new(struct { x int }) - need type interface { }
|
|
bug286.go:84: invalid map index p - need type interface { }
|
|
bug286.go:85: invalid map index false - need type interface { }
|
|
bug286.go:86: invalid map index 17 - need type interface { }
|
|
bug286.go:87: invalid map index "foo" - need type interface { }
|
|
bug286.go:93: invalid map index new(struct { x int }) - need type I1
|
|
bug286.go:94: invalid map index false - need type I1
|
|
bug286.go:95: invalid map index 17 - need type I1
|
|
bug286.go:96: invalid map index "foo" - need type I1
|
|
bug286.go:99: invalid map index new(T2) - need type I2
|
|
bug286.go:100: invalid map index t2 - need type I2
|
|
*/
|