Function newHook

hook-reader.go:85–93

newHook returns a io.ReadSeeker which implements hookReader that reports the data read from the source to the hook.

(source, hook io.Reader)

// newHook returns a io.ReadSeeker which implements hookReader that
// reports the data read from the source to the hook.
func newHook(source, hook io.Reader) io.Reader {
	if hook == nil {
		return &hookReader{source: source}
	}
	return &hookReader{
		source: source,
		hook:   hook,
	}
}