go convert 源码
golang convert 代码
文件路径：/test/convert.go
// run
// Copyright 2009 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 types of constant expressions, using reflect.
package main
import "reflect"
func typeof(x interface{}) string { return reflect.TypeOf(x).String() }
func f() int { return 0 }
func g() int { return 0 }
type T func() int
var m = map[string]T{"f": f}
type A int
type B int
var a A = 1
var b B = 2
var x int
func main() {
want := typeof(g)
if t := typeof(f); t != want {
println("type of f is", t, "want", want)
panic("fail")
}
want = typeof(a)
if t := typeof(+a); t != want {
println("type of +a is", t, "want", want)
panic("fail")
}
if t := typeof(a + 0); t != want {
println("type of a+0 is", t, "want", want)
panic("fail")
}
}
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