github.com/gagliardetto/golang-go@v0.0.0-20201020153340-53909ea70814/cmd/vet/testdata/lostcancel/lostcancel.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package lostcancel
     6  
     7  import "context"
     8  
     9  func _() {
    10  	var _, cancel = context.WithCancel(context.Background()) // ERROR "the cancel function is not used on all paths \(possible context leak\)"
    11  	if false {
    12  		_ = cancel
    13  	}
    14  } // ERROR "this return statement may be reached without using the cancel var defined on line 10"