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Source file test/fixedbugs/issue4215.go

Documentation: test/fixedbugs

  // errorcheck
  
  // Copyright 2016 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.
  
  package main
  
  func foo() (int, int) {
  	return 2.3 // ERROR "not enough arguments to return\n\thave \(number\)\n\twant \(int, int\)"
  }
  
  func foo2() {
  	return int(2), 2 // ERROR "too many arguments to return\n\thave \(int, number\)\n\twant \(\)"
  }
  
  func foo3(v int) (a, b, c, d int) {
  	if v >= 0 {
  		return 1 // ERROR "not enough arguments to return\n\thave \(number\)\n\twant \(int, int, int, int\)"
  	}
  	return 2, 3 // ERROR "not enough arguments to return\n\thave \(number, number\)\n\twant \(int, int, int, int\)"
  }
  
  func foo4(name string) (string, int) {
  	switch name {
  	case "cow":
  		return "moo" // ERROR "not enough arguments to return\n\thave \(string\)\n\twant \(string, int\)"
  	case "dog":
  		return "dog", 10, true // ERROR "too many arguments to return\n\thave \(string, number, bool\)\n\twant \(string, int\)"
  	case "fish":
  		return "" // ERROR "not enough arguments to return\n\thave \(string\)\n\twant \(string, int\)"
  	default:
  		return "lizard", 10
  	}
  }
  
  type S int
  type T string
  type U float64
  
  func foo5() (S, T, U) {
  	if false {
  		return "" // ERROR "not enough arguments to return\n\thave \(string\)\n\twant \(S, T, U\)"
  	} else {
  		ptr := new(T)
  		return ptr // ERROR "not enough arguments to return\n\thave \(\*T\)\n\twant \(S, T, U\)"
  	}
  	return new(S), 12.34, 1 + 0i, 'r', true // ERROR "too many arguments to return\n\thave \(\*S, number, number, number, bool\)\n\twant \(S, T, U\)"
  }
  
  func foo6() (T, string) {
  	return "T", true, true // ERROR "too many arguments to return\n\thave \(string, bool, bool\)\n\twant \(T, string\)"
  }
  

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