rust_elm/
error.rs

1use std::fmt;
2
3/// Errors surfaced while interpreting effects.
4#[derive(Debug, Clone, PartialEq, Eq)]
5pub enum EffectError {
6    Cancelled,
7    Timeout,
8    RetryExhausted,
9    EnvMissing(&'static str),
10    TaskFailed(&'static str),
11    Other(String),
12}
13
14impl fmt::Display for EffectError {
15    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
16        match self {
17            Self::Cancelled => write!(f, "effect cancelled"),
18            Self::Timeout => write!(f, "effect timed out"),
19            Self::RetryExhausted => write!(f, "retry attempts exhausted"),
20            Self::EnvMissing(name) => write!(f, "missing environment dependency: {name}"),
21            Self::TaskFailed(msg) => write!(f, "task failed: {msg}"),
22            Self::Other(msg) => write!(f, "{msg}"),
23        }
24    }
25}
26
27impl std::error::Error for EffectError {}
rust_elm/error.rs

rust_elm/
error.rs
