tower_balance/error.rs
1//! Error types
2
3use std::fmt;
4
5pub(crate) type Error = Box<dyn std::error::Error + Send + Sync>;
6
7/// An error returned when the balancer's endpoint discovery stream fails.
8#[derive(Debug)]
9pub struct Discover(pub(crate) Error);
10
11impl fmt::Display for Discover {
12 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
13 write!(f, "load balancer discovery error: {}", self.0)
14 }
15}
16
17impl std::error::Error for Discover {
18 fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
19 Some(&*self.0)
20 }
21}