Adds most of the toolsHEADmaster

1 files changed, 34 insertions, 0 deletions

diff --git a/v_windows/v/old/vlib/io/readerwriter.v b/v_windows/v/old/vlib/io/readerwriter.v
new file mode 100644
index 0000000..ba44172
--- /dev/null
+++ b/v_windows/v/old/vlib/io/readerwriter.v
@@ -0,0 +1,34 @@
+module io
+
+// ReaderWriter represents a stream that can be read from and wrote to
+pub interface ReaderWriter {
+	// from Reader
+	read(mut buf []byte) ?int
+	// from Writer
+	write(buf []byte) ?int
+}
+
+// ReaderWriterImpl is a ReaderWriter that can be made from
+// a seperate reader and writer (see fn make_readerwriter)
+struct ReaderWriterImpl {
+	r Reader
+mut:
+	w Writer
+}
+
+pub fn (mut r ReaderWriterImpl) read(mut buf []byte) ?int {
+	return r.r.read(mut buf)
+}
+
+pub fn (mut r ReaderWriterImpl) write(buf []byte) ?int {
+	return r.w.write(buf)
+}
+
+// make_readerwriter takes a rstream and a wstream and makes
+// an rwstream with them
+pub fn make_readerwriter(r Reader, w Writer) ReaderWriterImpl {
+	return ReaderWriterImpl{
+		r: r
+		w: w
+	}
+}