func io.ReadAtLeast

3 uses

	io (current package)
		io.go#L322: func ReadAtLeast(r Reader, buf []byte, min int) (n int, err error) {
		io.go#L347: 	return ReadAtLeast(r, buf, len(buf))

	github.com/jackc/chunkreader/v2
		chunkreader.go#L88: 	n, err := io.ReadAtLeast(r.r, r.buf[r.wp:], fillLen)