go.charczuk.com@v0.0.0-20240327042549-bc490516bd1a/sdk/logutil/discard.go (about)

     1  /*
     2  
     3  Copyright (c) 2023 - Present. Will Charczuk. All rights reserved.
     4  Use of this source code is governed by a MIT license that can be found in the LICENSE file at the root of the repository.
     5  
     6  */
     7  
     8  package logutil
     9  
    10  import (
    11  	"io"
    12  	"log"
    13  	"sync"
    14  )
    15  
    16  var (
    17  	_discard     *log.Logger
    18  	_discardOnce sync.Once
    19  )
    20  
    21  // Discard returns a shared discard logger
    22  // that is a valid reference but basically ignores
    23  // logging calls.
    24  func Discard() *log.Logger {
    25  	_discardOnce.Do(func() {
    26  		_discard = log.New(io.Discard, "", 0)
    27  	})
    28  	return _discard
    29  }