async_graphql_dataloader/
error.rs

1// src/error.rs
2use std::fmt;
3
4#[derive(Debug, Clone)]
5pub enum DataLoaderError {
6    ChannelClosed,
7    BatchError(String),
8    KeyNotFound,
9    Timeout,
10}
11
12impl fmt::Display for DataLoaderError {
13    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
14        match self {
15            DataLoaderError::ChannelClosed => {
16                write!(f, "Channel closed while waiting for batch result")
17            }
18            DataLoaderError::BatchError(msg) => write!(f, "Batch load error: {}", msg),
19            DataLoaderError::KeyNotFound => write!(f, "Key not found in batch results"),
20            DataLoaderError::Timeout => write!(f, "Timeout waiting for batch"),
21        }
22    }
23}
24
25impl std::error::Error for DataLoaderError {}
26
27impl From<String> for DataLoaderError {
28    fn from(err: String) -> Self {
29        DataLoaderError::BatchError(err)
30    }
31}
async_graphql_dataloader/error.rs

async_graphql_dataloader/
error.rs
