github.com/palcoin-project/palcd@v1.0.0/mempool/log.go (about)

     1  // Copyright (c) 2013-2016 The btcsuite developers
     2  // Use of this source code is governed by an ISC
     3  // license that can be found in the LICENSE file.
     4  
     5  package mempool
     6  
     7  import "github.com/palcoin-project/palclog"
     8  
     9  // log is a logger that is initialized with no output filters.  This
    10  // means the package will not perform any logging by default until the caller
    11  // requests it.
    12  var log palclog.Logger
    13  
    14  // The default amount of logging is none.
    15  func init() {
    16  	DisableLog()
    17  }
    18  
    19  // DisableLog disables all library log output.  Logging output is disabled
    20  // by default until either UseLogger or SetLogWriter are called.
    21  func DisableLog() {
    22  	log = palclog.Disabled
    23  }
    24  
    25  // UseLogger uses a specified Logger to output package logging info.
    26  // This should be used in preference to SetLogWriter if the caller is also
    27  // using palclog.
    28  func UseLogger(logger palclog.Logger) {
    29  	log = logger
    30  }
    31  
    32  // pickNoun returns the singular or plural form of a noun depending
    33  // on the count n.
    34  func pickNoun(n int, singular, plural string) string {
    35  	if n == 1 {
    36  		return singular
    37  	}
    38  	return plural
    39  }