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log.go
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log.go
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package copper
import (
"log"
"sync"
)
var logMutex sync.RWMutex
var logDebug *log.Logger
var logError *log.Logger
// DebugLog returns logger that is used for debug messages
func DebugLog() *log.Logger {
logMutex.RLock()
l := logDebug
logMutex.RUnlock()
return l
}
// ErrorLog returns logger that is used for error messages
func ErrorLog() *log.Logger {
logMutex.RLock()
l := logError
logMutex.RUnlock()
return l
}
// SetDebugLog sets logger that is used for debug messages
func SetDebugLog(l *log.Logger) *log.Logger {
logMutex.Lock()
logDebug, l = l, logDebug
logMutex.Unlock()
return l
}
// SetErrorLog sets logger that is used for error messages
func SetErrorLog(l *log.Logger) *log.Logger {
logMutex.Lock()
logError, l = l, logError
logMutex.Unlock()
return l
}