radn-rs/src/rstd/atomic/au64.rs
2023-06-16 07:33:32 +00:00

52 lines
1.2 KiB
Rust

use crate::rstd::inlining::*;
use super::*;
impl Serializable for u64 {
fn serialize(&self, serializer: &mut dyn Serializer) {
serializer.write(&self.to_le_bytes());
}
}
#[derive(Debug, PartialEq)]
pub enum IntParseError {
Eof,
ExtraData(usize),
}
impl Display for IntParseError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::Eof => write!(f, "encountered EOF write parsing an integer."),
Self::ExtraData(length) => write!(
f,
"encountered extra data of length {length} while parsing an integer.",
),
}
}
}
impl Error for IntParseError {}
impl From<&[u8]> for IntParseError {
fn from(_value: &[u8]) -> Self {
Self::Eof
}
}
impl Atomic for u64 {
type AParseError = IntParseError;
fn a_deserialize(deserializer: &mut dyn Deserializer) -> Result<Self, Self::AParseError> {
Ok(u64::from_le_bytes(deserializer.read_n_const::<8>()?))
}
fn a_extend(self, tail: &[u8]) -> Result<Self, Self::AParseError> {
Err(IntParseError::ExtraData(tail.len()))
}
}
impl ConstSizeAtomic for u64 {
const SIZE: usize = 8;
}