README ¶ Exercise 7.2 (P174) Write a function CountingWriter with the signature below that, given an io.Writer, returns a new Writer that wraps the original, and a pointer to an int64 variable that at any moment contains the number of bytes written to the new Writer. func CountingWriter(w io.Writer) (io.Writer, *int64) Expand ▾ Collapse ▴ Documentation ¶ There is no documentation for this package. Source Files ¶ View all Source files main.go Click to show internal directories. Click to hide internal directories.