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some tuple implementations for bitread

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Robin Appelman 2019-10-11 21:52:02 +02:00
commit 8f5fdb41d2
1 changed files with 49 additions and 0 deletions
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49
src/read.rs
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@ -266,6 +266,55 @@ impl<T: BitSize> BitSize for Box<T> {
}
}
impl<E: Endianness, T1: BitRead<E>, T2: BitRead<E>> BitRead<E> for (T1, T2) {
#[inline]
fn read(stream: &mut BitStream<E>) -> Result<Self> {
Ok((T1::read(stream)?, T2::read(stream)?))
}
}
impl<E: Endianness, T1: BitRead<E>, T2: BitRead<E>, T3: BitRead<E>> BitRead<E> for (T1, T2, T3) {
#[inline]
fn read(stream: &mut BitStream<E>) -> Result<Self> {
Ok((T1::read(stream)?, T2::read(stream)?, T3::read(stream)?))
}
}
impl<E: Endianness, T1: BitRead<E>, T2: BitRead<E>, T3: BitRead<E>, T4: BitRead<E>> BitRead<E>
for (T1, T2, T3, T4)
{
#[inline]
fn read(stream: &mut BitStream<E>) -> Result<Self> {
Ok((
T1::read(stream)?,
T2::read(stream)?,
T3::read(stream)?,
T4::read(stream)?,
))
}
}
impl<T1: BitSize, T2: BitSize> BitSize for (T1, T2) {
#[inline]
fn bit_size() -> usize {
T1::bit_size() + T2::bit_size()
}
}
impl<T1: BitSize, T2: BitSize, T3: BitSize> BitSize for (T1, T2, T3) {
#[inline]
fn bit_size() -> usize {
T1::bit_size() + T2::bit_size() + T3::bit_size()
}
}
impl<T1: BitSize, T2: BitSize, T3: BitSize, T4: BitSize> BitSize for (T1, T2, T3, T4) {
#[inline]
fn bit_size() -> usize {
T1::bit_size() + T2::bit_size() + T3::bit_size() + T4::bit_size()
}
}
/// Trait for types that can be read from a stream, requiring the size to be configured
///
/// The meaning of the set sized depends on the type being read (e.g, number of bits for integers,