core/io: add module description

diff --git a/nihav-core/src/io/mod.rs b/nihav-core/src/io/mod.rs
index bfe78f6a68de4c72226644e48d19aeae31053dfd..81ce35e99856029f6147be964ce30ce31eec9936 100644 (file)
--- a/nihav-core/src/io/mod.rs
+++ b/nihav-core/src/io/mod.rs
@@ -1,3 +1,4 @@
+//! Byte- and bitstream reading/writing functionality.
 pub mod bitreader;
 pub mod codebook;
 pub mod intcode;