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//! Error types for `publish` module.
use std::sync::Arc;
use futures::task::SpawnError;
/// An error from creating or talking with a Publisher.
#[derive(Clone, Debug, thiserror::Error)]
pub(crate) enum PublisherError {
/// Unable to spawn task
//
// TODO lots of our Errors have a variant exactly like this.
// Maybe we should make a struct tor_error::SpawnError.
#[error("Unable to spawn {spawning}")]
Spawn {
/// What we were trying to spawn.
spawning: &'static str,
/// What happened when we tried to spawn it.
#[source]
cause: Arc<SpawnError>,
},
}
impl PublisherError {
/// Construct a new `PublisherError` from a `SpawnError`.
//
// TODO lots of our Errors have a function exactly like this.
pub(super) fn from_spawn(spawning: &'static str, err: SpawnError) -> PublisherError {
PublisherError::Spawn {
spawning,
cause: Arc::new(err),
}
}
}
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