Source file test/fixedbugs/issue9521.go

     1  // errorcheck
     2  
     3  // Copyright 2015 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Test that an incorrect use of the blank identifier is caught.
     8  // Does not compile.
     9  
    10  package main
    11  
    12  func f() (_, _ []int)         { return }
    13  func g() (x []int, y float64) { return }
    14  
    15  func main() {
    16  	_ = append(f()) // ERROR "cannot use \[\]int value as type int in append|cannot use.*type \[\]int.*to append"
    17  	_ = append(g()) // ERROR "cannot use float64 value as type int in append|cannot use.*type float64.*to append"
    18  }
    19  

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