From 08c8e9d37f3e0f9a82c3792c1927967631de73cd Mon Sep 17 00:00:00 2001
From: zirkonya <zirkonya@iridium.lan>
Date: Sat, 25 Jul 2026 19:45:02 +0200
Subject: Add README LICENSE and setup encode & decode trait

---
 src/codec.rs        |  7 +++++++
 src/codec/decode.rs |  7 +++++++
 src/codec/encode.rs |  6 ++++++
 src/lib.rs          | 16 ++--------------
 src/types/mod.rs    |  1 +
 src/types/prefix.rs |  8 ++++++++
 6 files changed, 31 insertions(+), 14 deletions(-)
 create mode 100644 src/codec.rs
 create mode 100644 src/codec/decode.rs
 create mode 100644 src/codec/encode.rs
 create mode 100644 src/types/mod.rs
 create mode 100644 src/types/prefix.rs

(limited to 'src')

diff --git a/src/codec.rs b/src/codec.rs
new file mode 100644
index 0000000..f11a88e
--- /dev/null
+++ b/src/codec.rs
@@ -0,0 +1,7 @@
+use crate::codec::{decode::Decode, encode::Encode};
+
+pub mod decode;
+pub mod encode;
+
+pub trait Codec: Encode + Decode {}
+impl<T> Codec for T where T: Encode + Decode {}
diff --git a/src/codec/decode.rs b/src/codec/decode.rs
new file mode 100644
index 0000000..65f08b5
--- /dev/null
+++ b/src/codec/decode.rs
@@ -0,0 +1,7 @@
+use std::io::{self, Read};
+
+pub trait Decode {
+    fn decode(reader: &impl Read) -> io::Result<Self>
+    where
+        Self: Sized;
+}
diff --git a/src/codec/encode.rs b/src/codec/encode.rs
new file mode 100644
index 0000000..f23913b
--- /dev/null
+++ b/src/codec/encode.rs
@@ -0,0 +1,6 @@
+use std::io::{self, Write};
+
+pub trait Encode {
+    fn encode(&self, write: &mut dyn Write) -> io::Result<usize>;
+    fn encoded_size(&self) -> Option<usize>;
+}
diff --git a/src/lib.rs b/src/lib.rs
index b93cf3f..8ffd97a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,14 +1,2 @@
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
-}
+pub mod codec;
+pub mod types;
diff --git a/src/types/mod.rs b/src/types/mod.rs
new file mode 100644
index 0000000..5a68507
--- /dev/null
+++ b/src/types/mod.rs
@@ -0,0 +1 @@
+pub mod prefix;
diff --git a/src/types/prefix.rs b/src/types/prefix.rs
new file mode 100644
index 0000000..e60c23b
--- /dev/null
+++ b/src/types/prefix.rs
@@ -0,0 +1,8 @@
+use std::marker::PhantomData;
+
+use crate::codec::Codec;
+
+pub struct LenPrefixed<L: Codec, D: Codec> {
+    data: D,
+    _len: PhantomData<L>,
+}
-- 
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