misc: Add Duplex

1 files changed, 8 insertions, 0 deletions

diff --git a/misc/io.go b/misc/io.go
new file mode 100644
index 0000000..5f9a13c
--- /dev/null
+++ b/misc/io.go
@@ -0,0 +1,8 @@
+package misc
+
+// Duplex is an interface that wraps the basic Read and Write method. It is the
+// intersection between io.Reader and io.Writer.
+type Duplex interface {
+	Read(p []byte) (n int, err error)
+	Write(p []byte) (n int, err error)
+}