func io.LimitReader

5 uses

	io (current package)
		io.go#L358: 	written, err = Copy(dst, LimitReader(src, n))
		io.go#L455: func LimitReader(r Reader, n int64) Reader { return &LimitedReader{r, n} }

	net/http
		request.go#L1205: 			reader = io.LimitReader(r.Body, maxFormSize+1)
		transfer.go#L367: 			ncopy, err = t.doBodyCopy(w, io.LimitReader(body, t.ContentLength))
		transfer.go#L564: 		t.Body = &body{src: io.LimitReader(r, realLength), closing: t.Close}