package writerx import ( "io" ) type StringWriter struct { io.WriteCloser } func (sw *StringWriter) WriteString(s string) (n int, err error) { return sw.WriteCloser.Write([]byte(s)) } func (sw *StringWriter) Close() error { return sw.WriteCloser.Close() } func NewStringWriter(writer io.WriteCloser) *StringWriter { return &StringWriter{WriteCloser: writer} }