selfcare init

proxy_go/public/go-oi@v1.0.0/writenopcloser.go

@@ -0,0 +1,38 @@
+package oi
+
+
+import (
+	"io"
+)
+
+
+// WriteNopCloser takes an io.Writer and returns an io.WriteCloser where
+// calling the Write method on the returned io.WriterCloser calls the
+// Write method on the io.Writer it received, but whre calling the Close
+// method on the returned io.WriterCloser does "nothing" (i.e., is a "nop").
+//
+// This is useful in cases where an io.WriteCloser is expected, but you
+// only have an io.Writer (where closing doesn't make sense) and you
+// need to make your io.Writer fit. (I.e., you need an adaptor.)
+func WriteNopCloser(w io.Writer) io.WriteCloser {
+	wc := internalWriteNopCloser{
+		writer:w,
+	}
+
+	return &wc
+}
+
+
+type internalWriteNopCloser struct {
+	writer io.Writer
+}
+
+
+func (wc * internalWriteNopCloser) Write(p []byte) (n int, err error) {
+	return wc.writer.Write(p)
+}
+
+
+func (wc * internalWriteNopCloser) Close() error {
+	return nil
+}