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Source file test/decl.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 correct short declarations and redeclarations.
  
  package main
  
  func f1() int                    { return 1 }
  func f2() (float32, int)         { return 1, 2 }
  func f3() (float32, int, string) { return 1, 2, "3" }
  
  func x() (s string) {
  	a, b, s := f3()
  	_, _ = a, b
  	return // tests that result var is in scope for redeclaration
  }
  
  func main() {
  	i, f, s := f3()
  	j, f := f2() // redeclare f
  	k := f1()
  	m, g, s := f3()
  	m, h, s := f3()
  	{
  		// new block should be ok.
  		i, f, s := f3()
  		j, f := f2() // redeclare f
  		k := f1()
  		m, g, s := f3()
  		m, h, s := f3()
  		_, _, _, _, _, _, _, _, _ = i, f, s, j, k, m, g, s, h
  	}
  	if y := x(); y != "3" {
  		println("x() failed", y)
  		panic("fail")
  	}
  	_, _, _, _, _, _, _, _, _ = i, f, s, j, k, m, g, s, h
  }
  

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