33 lines
542 B
Rust
33 lines
542 B
Rust
//! Traits for data which can be read as a sized array.
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use crate::durandal::err::*;
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pub trait Chunked<T>
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{
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const SIZE_CHUNK: usize;
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fn read(b: &[u8]) -> ResultS<T>;
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}
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pub trait Chunker<T>
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{
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fn chunk(b: &[u8]) -> ResultS<T>;
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}
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impl<T: Chunked<T>> Chunker<Vec<T>> for T
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{
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fn chunk(b: &[u8]) -> ResultS<Vec<T>>
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{
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let mut v = Vec::with_capacity(b.len() / T::SIZE_CHUNK);
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let mut p = 0;
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while p < b.len() {
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v.push(T::read(&b[p..])?);
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p += T::SIZE_CHUNK;
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}
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Ok(v)
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}
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}
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// EOF
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