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Source file src/cmd/vet/testdata/unused.go

Documentation: cmd/vet/testdata

     1  // Copyright 2015 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  // This file contains tests for the unusedresult checker.
     6  
     7  package testdata
     8  
     9  import (
    10  	"bytes"
    11  	"errors"
    12  	"fmt"
    13  )
    14  
    15  func _() {
    16  	fmt.Errorf("") // ERROR "result of fmt.Errorf call not used"
    17  	_ = fmt.Errorf("")
    18  
    19  	errors.New("") // ERROR "result of errors.New call not used"
    20  
    21  	err := errors.New("")
    22  	err.Error() // ERROR "result of \(error\).Error call not used"
    23  
    24  	var buf bytes.Buffer
    25  	buf.String() // ERROR "result of \(bytes.Buffer\).String call not used"
    26  
    27  	fmt.Sprint("")  // ERROR "result of fmt.Sprint call not used"
    28  	fmt.Sprintf("") // ERROR "result of fmt.Sprintf call not used"
    29  }
    30  

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