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Source file test/convert.go

Documentation: test

  // 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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