reorganize de/enc modules

src/de/impls.rs

@@ -0,0 +1,8 @@
+use super::{Decode, Decodable};
+use crate::error::Error;
+
+impl Decodable for u32 {
+    fn decode<D: Decode>(mut decoder: D) -> Result<Self, Error> {
+        decoder.decode_u32()
+    }
+}

src/de/mod.rs

@@ -0,0 +1,48 @@
+use core::marker::PhantomData;
+
+use crate::{
+    config::{Config, Endian},
+    error::Error,
+};
+use read::Reader;
+
+mod impls;
+pub mod read;
+
+
+
+pub trait Decodable: Sized {
+    fn decode<D: Decode>(decoder: D) -> Result<Self, Error>;
+}
+
+pub trait Decode {
+    fn decode_u32(&mut self) -> Result<u32, Error>;
+}
+
+pub struct Decoder<R, C: Config> {
+    reader: R,
+    config: PhantomData<C>,
+}
+
+impl<'de, R: Reader<'de>, C: Config> Decoder<R, C> {
+    pub fn new(reader: R) -> Decoder<R, C> {
+        Decoder {
+            reader,
+            config: PhantomData,
+        }
+    }
+}
+
+impl<'a, 'de, R: Reader<'de>, C: Config> Decode for &'a mut Decoder<R, C> {
+    fn decode_u32(&mut self) -> Result<u32, Error> {
+        let mut bytes = [0u8; 4];
+
+        self.reader.read(bytes.as_mut())?;
+        Ok(match C::ENDIAN {
+            Endian::Little => u32::from_le_bytes(bytes),
+            Endian::Big => u32::from_be_bytes(bytes),
+        })
+    }
+}
+
+

src/de/read.rs

@@ -1,9 +1,4 @@
-use core::marker::PhantomData;
-
-use crate::{
-    config::{Config, Endian},
-    error::Error,
-};
+use crate::error::Error;
 
 pub trait Reader<'storage> {
     fn read(&mut self, bytes: &mut [u8]) -> Result<(), Error>;
@@ -12,46 +7,6 @@ pub trait Reader<'storage> {
         F: Fn(&'storage [u8]) -> R;
 }
 
-pub trait Decodable: Sized {
-    fn decode<D: Decode>(decoder: D) -> Result<Self, Error>;
-}
-
-pub trait Decode {
-    fn decode_u32(&mut self) -> Result<u32, Error>;
-}
-
-pub struct Decoder<R, C: Config> {
-    reader: R,
-    config: PhantomData<C>,
-}
-
-impl<'de, R: Reader<'de>, C: Config> Decoder<R, C> {
-    pub fn new(reader: R) -> Decoder<R, C> {
-        Decoder {
-            reader,
-            config: PhantomData,
-        }
-    }
-}
-
-impl<'a, 'de, R: Reader<'de>, C: Config> Decode for &'a mut Decoder<R, C> {
-    fn decode_u32(&mut self) -> Result<u32, Error> {
-        let mut bytes = [0u8; 4];
-
-        self.reader.read(bytes.as_mut())?;
-        Ok(match C::ENDIAN {
-            Endian::Little => u32::from_le_bytes(bytes),
-            Endian::Big => u32::from_be_bytes(bytes),
-        })
-    }
-}
-
-impl Decodable for u32 {
-    fn decode<D: Decode>(mut decoder: D) -> Result<Self, Error> {
-        decoder.decode_u32()
-    }
-}
-
 pub struct SliceReader<'storage> {
     slice: &'storage [u8],
 }
@@ -75,7 +30,7 @@ impl<'storage> SliceReader<'storage> {
 
 impl<'storage> Reader<'storage> for SliceReader<'storage> {
     #[inline(always)]
-    fn read(&mut self, bytes: &mut [u8]) -> Result<(), Error> {
+    fn read<'a>(&'a mut self, bytes: &mut [u8]) -> Result<(), Error> {
         if bytes.len() > self.slice.len() {
             return Err(Error::UnexpectedEnd);
         }
@@ -93,4 +48,4 @@ impl<'storage> Reader<'storage> for SliceReader<'storage> {
     {
         Ok(visitor(self.get_byte_slice(length)?))
     }
-}
+}

src/enc/impls.rs

@@ -0,0 +1,8 @@
+use super::{Encode, Encodeable};
+use crate::error::Error;
+
+impl Encodeable for u32 {
+    fn encode<E: Encode>(&self, mut encoder: E) -> Result<(), Error> {
+        encoder.encode_u32(*self)
+    }
+}

src/enc/mod.rs

@@ -0,0 +1,44 @@
+use core::marker::PhantomData;
+
+use crate::{
+    config::{Config, Endian},
+    error::Error,
+};
+use write::Writer;
+
+mod impls;
+pub mod write;
+
+
+pub trait Encodeable {
+    fn encode<E: Encode>(&self, encoder: E) -> Result<(), Error>;
+}
+
+pub trait Encode {
+    fn encode_u32(&mut self, val: u32) -> Result<(), Error>;
+}
+
+pub struct Encoder<W: Writer, C: Config> {
+    writer: W,
+    config: PhantomData<C>,
+}
+
+impl<W: Writer, C: Config> Encoder<W, C> {
+    pub fn new(writer: W) -> Encoder<W, C> {
+        Encoder {
+            writer,
+            config: PhantomData,
+        }
+    }
+}
+
+impl<'a, W: Writer, C: Config> Encode for &'a mut Encoder<W, C> {
+    fn encode_u32(&mut self, val: u32) -> Result<(), Error> {
+        let bytes = match C::ENDIAN {
+            Endian::Little => val.to_le_bytes(),
+            Endian::Big => val.to_be_bytes(),
+        };
+
+        self.writer.write(&bytes)
+    }
+}

src/enc/write.rs

@@ -0,0 +1,30 @@
+use crate::error::Error;
+
+pub trait Writer {
+    fn write(&mut self, bytes: &[u8]) -> Result<(), Error>;
+}
+
+pub struct SliceWriter<'storage> {
+    slice: &'storage mut [u8],
+}
+
+impl<'storage> SliceWriter<'storage> {
+    pub(crate) fn new(bytes: &'storage mut [u8]) -> SliceWriter<'storage> {
+        SliceWriter {
+            slice: bytes,
+        }
+    }
+}
+
+impl<'storage> Writer for SliceWriter<'storage> {
+    fn write(&mut self, bytes: &[u8]) -> Result<(), Error> {
+        if bytes.len() > self.slice.len() {
+            return Err(Error::UnexpectedEnd);
+        }
+        let data = core::mem::take(&mut self.slice);
+        let (write_slice, remaining) = data.split_at_mut(bytes.len());
+        write_slice.copy_from_slice(bytes);
+        self.slice = remaining;
+        Ok(())
+    }
+}

src/int_encoding.rs

@@ -1,4 +1,4 @@
-use crate::{error::Error, ser::Writer};
+use crate::{error::Error, enc::write::Writer};
 
 pub trait IntEncoding {
     fn encode_u32<W: Writer>(writer: &mut W, val: u32) -> Result<(), Error>;

src/lib.rs

@@ -18,18 +18,18 @@ extern crate std;
 pub mod config;
 pub mod de;
 pub mod error;
-pub mod ser;
+pub mod enc;
 
 pub(crate) mod int_encoding;
 
-pub fn encode_into_slice<E: ser::Encodeable>(val: E, dst: &mut [u8]) -> Result<(), error::Error> {
-    let writer = ser::SliceWriter::new(dst);
-    let mut encoder = ser::Encoder::<_, config::Default>::new(writer);
+pub fn encode_into_slice<E: enc::Encodeable>(val: E, dst: &mut [u8]) -> Result<(), error::Error> {
+    let writer = enc::write::SliceWriter::new(dst);
+    let mut encoder = enc::Encoder::<_, config::Default>::new(writer);
     val.encode(&mut encoder)
 }
 
 pub fn decode<D: de::Decodable>(src: &mut [u8]) -> Result<D, error::Error> {
-    let reader = de::SliceReader::new(src);
+    let reader = de::read::SliceReader::new(src);
     let mut decoder = de::Decoder::<_, config::Default>::new(reader);
     D::decode(&mut decoder)
 }

src/ser.rs

@@ -1,77 +0,0 @@
-use core::marker::PhantomData;
-
-use crate::{
-    config::{Config, Endian},
-    error::Error,
-};
-
-pub trait Writer {
-    fn write(&mut self, bytes: &[u8]) -> Result<(), Error>;
-}
-
-pub trait Encodeable {
-    fn encode<E: Encode>(&self, encoder: E) -> Result<(), Error>;
-}
-
-pub trait Encode {
-    fn encode_u32(&mut self, val: u32) -> Result<(), Error>;
-}
-
-pub struct Encoder<W: Writer, C: Config> {
-    writer: W,
-    config: PhantomData<C>,
-}
-
-impl<W: Writer, C: Config> Encoder<W, C> {
-    pub fn new(writer: W) -> Encoder<W, C> {
-        Encoder {
-            writer,
-            config: PhantomData,
-        }
-    }
-}
-
-impl<'a, W: Writer, C: Config> Encode for &'a mut Encoder<W, C> {
-    fn encode_u32(&mut self, val: u32) -> Result<(), Error> {
-        let bytes = match C::ENDIAN {
-            Endian::Little => val.to_le_bytes(),
-            Endian::Big => val.to_be_bytes(),
-        };
-
-        self.writer.write(&bytes)
-    }
-}
-
-impl Encodeable for u32 {
-    fn encode<E: Encode>(&self, mut encoder: E) -> Result<(), Error> {
-        encoder.encode_u32(*self)
-    }
-}
-
-pub struct SliceWriter<'storage> {
-    slice: &'storage mut [u8],
-    cursor: usize,
-}
-
-impl<'storage> SliceWriter<'storage> {
-    pub(crate) fn new(bytes: &'storage mut [u8]) -> SliceWriter<'storage> {
-        SliceWriter {
-            slice: bytes,
-            cursor: 0,
-        }
-    }
-}
-
-impl<'storage> Writer for SliceWriter<'storage> {
-    fn write(&mut self, bytes: &[u8]) -> Result<(), Error> {
-        if bytes.len() - self.cursor > self.slice.len() {
-            return Err(Error::UnexpectedEnd);
-        }
-        let temp = &mut self.slice[self.cursor..bytes.len()];
-
-        temp.copy_from_slice(bytes);
-        self.cursor += bytes.len();
-
-        Ok(())
-    }
-}

tests/test.rs

@@ -4,7 +4,7 @@ use core::fmt::Debug;
 
 fn the_same<V>(element: V)
 where
-    V: bincode::ser::Encodeable + bincode::de::Decodable + PartialEq + Debug + Clone + 'static,
+    V: bincode::enc::Encodeable + bincode::de::Decodable + PartialEq + Debug + Clone + 'static,
 {
     let mut buffer = [0u8; 32];
     bincode::encode_into_slice(element.clone(), &mut buffer).unwrap();