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package internal
import (
"fmt"
"log"
"os"
)
type Logging interface {
Printf(format string, v ...interface{})
}
var defaultLogger = log.New(os.Stderr, "", log.LstdFlags)
var Logger Logging = &logger{
log: defaultLogger,
}
var Warn = &wrapper{
prefix: "WARN: bun: ",
logger: Logger,
}
var Deprecated = &wrapper{
prefix: "DEPRECATED: bun: ",
logger: Logger,
}
type logger struct {
log *log.Logger
}
func (l *logger) Printf(format string, v ...interface{}) {
_ = l.log.Output(2, fmt.Sprintf(format, v...))
}
type wrapper struct {
prefix string
logger Logging
}
func (w *wrapper) Printf(format string, v ...interface{}) {
w.logger.Printf(w.prefix+format, v...)
}
func SetLogger(newLogger Logging) {
if newLogger == nil {
Logger = &logger{log: defaultLogger}
} else {
Logger = newLogger
}
Warn.logger = Logger
Deprecated.logger = Logger
}
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