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package fmt
import (
"fmt"
"io"
"os"
"strings"
)
type fmtLogger struct {
writer io.Writer
}
func (t *fmtLogger) Log(v ...interface{}) {
t.output(fmt.Sprint(v...))
}
func (t *fmtLogger) Logf(format string, v ...interface{}) {
t.output(fmt.Sprintf(format, v...))
}
func (logger *fmtLogger) output(line string) (n int, err error) {
if !strings.HasSuffix(line, "\n") {
line += "\n"
}
return logger.writer.Write([]byte(line))
}
// New creates a new fmt logger which writes to stdout.
func New() *fmtLogger {
return &fmtLogger{writer: os.Stdout}
}
// NewFromWriter creates a new fmt logger which writes to the given
// writer.
func NewFromWriter(writer io.Writer) *fmtLogger {
return &fmtLogger{writer: writer}
}
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