ruccl/rank/
error.rs

1use super::NetworkError;
2use std::error::Error;
3use std::fmt::{Display, Formatter};
4
5#[derive(Debug)]
6pub enum RankError {
7    RankOutOfRange { rank: usize, world_size: usize },
8    InvalidLength(&'static str),
9    Overflow(&'static str),
10    Network(NetworkError),
11}
12
13impl Display for RankError {
14    fn fmt(&self, formatter: &mut Formatter<'_>) -> std::fmt::Result {
15        match self {
16            Self::RankOutOfRange { rank, world_size } => {
17                write!(formatter, "rank {rank} is outside collective world size {world_size}")
18            }
19            Self::InvalidLength(message) => {
20                write!(formatter, "invalid collective length: {message}")
21            }
22            Self::Overflow(what) => {
23                write!(formatter, "collective size overflow while computing {what}")
24            }
25            Self::Network(error) => Display::fmt(error, formatter),
26        }
27    }
28}
29
30impl Error for RankError {
31    fn source(&self) -> Option<&(dyn Error + 'static)> {
32        match self {
33            Self::Network(error) => Some(error),
34            _ => None,
35        }
36    }
37}
38
39impl From<NetworkError> for RankError {
40    fn from(error: NetworkError) -> Self {
41        Self::Network(error)
42    }
43}
ruccl/rank/error.rs

ruccl/rank/
error.rs
