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decodable implementations

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This commit is contained in:
debris 2015-12-08 00:27:12 +01:00
parent 0de75185aa
commit cb5ec8c0af
2 changed files with 15 additions and 7 deletions
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2
src/rlp/faces.rs
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@ -37,7 +37,7 @@ pub trait Decoder {
} }
pub trait Decodable: Sized { pub trait Decodable: Sized {
fn decode<T, D>(decoder: &D) -> Result<T, DecoderError> where D: Decoder; fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder;
} }
pub trait View<'a, 'view>: Sized { pub trait View<'a, 'view>: Sized {

20
src/rlp/untrusted_rlp.rs
View File

@ -312,19 +312,27 @@ impl<'a> Decoder for BasicDecoder<'a> {
} }
impl<T> Decodable for T where T: FromBytes { impl<T> Decodable for T where T: FromBytes {
fn decode<R, D>(decoder: &D) -> Result<R, DecoderError> where D: Decoder { fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
unimplemented!() decoder.read_value(| bytes | {
Ok(try!(T::from_bytes(bytes)))
})
} }
} }
impl<T> Decodable for Vec<T> where T: Decodable { impl<T> Decodable for Vec<T> where T: Decodable {
fn decode<R, D>(decoder: &D) -> Result<R, DecoderError> where D: Decoder { fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
unimplemented!() decoder.read_list(| decoders | {
decoders.iter().map(|d| T::decode(d)).collect()
})
} }
} }
impl Decodable for Vec<u8> { impl Decodable for Vec<u8> {
fn decode<R, D>(decoder: &D) -> Result<R, DecoderError> where D: Decoder { fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
unimplemented!() decoder.read_value(| bytes | {
let mut res = vec![];
res.extend(bytes);
Ok(res)
})
} }
} }