220 lines
7.0 KiB
Rust
220 lines
7.0 KiB
Rust
//! The `result` module exposes a Result type that propagates one of many different Error types.
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use crate::poh_recorder;
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use crate::{cluster_info, duplicate_shred};
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use solana_ledger::block_error;
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use solana_ledger::blockstore;
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use solana_runtime::snapshot_utils;
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use solana_sdk::transaction;
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use std::any::Any;
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#[derive(Debug)]
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pub enum Error {
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Io(std::io::Error),
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Json(serde_json::Error),
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AddrParse(std::net::AddrParseError),
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JoinError(Box<dyn Any + Send + 'static>),
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RecvError(std::sync::mpsc::RecvError),
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TryCrossbeamRecvError(crossbeam_channel::TryRecvError),
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CrossbeamRecvTimeoutError(crossbeam_channel::RecvTimeoutError),
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ReadyTimeoutError,
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RecvTimeoutError(std::sync::mpsc::RecvTimeoutError),
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CrossbeamSendError,
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TryCrossbeamSendError,
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TryRecvError(std::sync::mpsc::TryRecvError),
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Serialize(std::boxed::Box<bincode::ErrorKind>),
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TransactionError(transaction::TransactionError),
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ClusterInfoError(cluster_info::ClusterInfoError),
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SendError,
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PohRecorderError(poh_recorder::PohRecorderError),
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BlockError(block_error::BlockError),
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BlockstoreError(blockstore::BlockstoreError),
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FsExtra(fs_extra::error::Error),
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SnapshotError(snapshot_utils::SnapshotError),
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WeightedIndexError(rand::distributions::weighted::WeightedError),
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DuplicateNodeInstance,
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DuplicateShredError(duplicate_shred::Error),
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}
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pub type Result<T> = std::result::Result<T, Error>;
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impl std::fmt::Display for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "solana error")
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}
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}
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impl std::error::Error for Error {}
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impl std::convert::From<std::sync::mpsc::RecvError> for Error {
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fn from(e: std::sync::mpsc::RecvError) -> Error {
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Error::RecvError(e)
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}
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}
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impl std::convert::From<crossbeam_channel::TryRecvError> for Error {
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fn from(e: crossbeam_channel::TryRecvError) -> Error {
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Error::TryCrossbeamRecvError(e)
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}
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}
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impl std::convert::From<std::sync::mpsc::TryRecvError> for Error {
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fn from(e: std::sync::mpsc::TryRecvError) -> Error {
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Error::TryRecvError(e)
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}
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}
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impl std::convert::From<crossbeam_channel::RecvTimeoutError> for Error {
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fn from(e: crossbeam_channel::RecvTimeoutError) -> Error {
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Error::CrossbeamRecvTimeoutError(e)
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}
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}
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impl std::convert::From<crossbeam_channel::ReadyTimeoutError> for Error {
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fn from(_e: crossbeam_channel::ReadyTimeoutError) -> Error {
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Error::ReadyTimeoutError
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}
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}
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impl std::convert::From<std::sync::mpsc::RecvTimeoutError> for Error {
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fn from(e: std::sync::mpsc::RecvTimeoutError) -> Error {
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Error::RecvTimeoutError(e)
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}
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}
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impl std::convert::From<transaction::TransactionError> for Error {
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fn from(e: transaction::TransactionError) -> Error {
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Error::TransactionError(e)
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}
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}
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impl std::convert::From<cluster_info::ClusterInfoError> for Error {
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fn from(e: cluster_info::ClusterInfoError) -> Error {
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Error::ClusterInfoError(e)
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}
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}
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impl<T> std::convert::From<crossbeam_channel::SendError<T>> for Error {
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fn from(_e: crossbeam_channel::SendError<T>) -> Error {
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Error::CrossbeamSendError
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}
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}
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impl<T> std::convert::From<crossbeam_channel::TrySendError<T>> for Error {
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fn from(_e: crossbeam_channel::TrySendError<T>) -> Error {
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Error::TryCrossbeamSendError
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}
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}
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impl<T> std::convert::From<std::sync::mpsc::SendError<T>> for Error {
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fn from(_e: std::sync::mpsc::SendError<T>) -> Error {
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Error::SendError
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}
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}
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impl std::convert::From<Box<dyn Any + Send + 'static>> for Error {
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fn from(e: Box<dyn Any + Send + 'static>) -> Error {
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Error::JoinError(e)
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}
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}
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impl std::convert::From<std::io::Error> for Error {
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fn from(e: std::io::Error) -> Error {
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Error::Io(e)
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}
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}
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impl std::convert::From<fs_extra::error::Error> for Error {
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fn from(e: fs_extra::error::Error) -> Error {
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Error::FsExtra(e)
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}
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}
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impl std::convert::From<serde_json::Error> for Error {
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fn from(e: serde_json::Error) -> Error {
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Error::Json(e)
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}
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}
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impl std::convert::From<std::net::AddrParseError> for Error {
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fn from(e: std::net::AddrParseError) -> Error {
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Error::AddrParse(e)
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}
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}
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impl std::convert::From<std::boxed::Box<bincode::ErrorKind>> for Error {
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fn from(e: std::boxed::Box<bincode::ErrorKind>) -> Error {
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Error::Serialize(e)
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}
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}
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impl std::convert::From<poh_recorder::PohRecorderError> for Error {
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fn from(e: poh_recorder::PohRecorderError) -> Error {
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Error::PohRecorderError(e)
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}
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}
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impl std::convert::From<blockstore::BlockstoreError> for Error {
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fn from(e: blockstore::BlockstoreError) -> Error {
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Error::BlockstoreError(e)
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}
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}
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impl std::convert::From<snapshot_utils::SnapshotError> for Error {
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fn from(e: snapshot_utils::SnapshotError) -> Error {
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Error::SnapshotError(e)
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}
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}
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impl std::convert::From<rand::distributions::weighted::WeightedError> for Error {
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fn from(e: rand::distributions::weighted::WeightedError) -> Error {
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Error::WeightedIndexError(e)
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}
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}
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impl std::convert::From<duplicate_shred::Error> for Error {
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fn from(e: duplicate_shred::Error) -> Error {
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Error::DuplicateShredError(e)
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::result::Error;
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use crate::result::Result;
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use std::io;
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use std::io::Write;
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use std::net::SocketAddr;
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use std::panic;
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use std::sync::mpsc::channel;
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use std::sync::mpsc::RecvError;
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use std::sync::mpsc::RecvTimeoutError;
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use std::thread;
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fn addr_parse_error() -> Result<SocketAddr> {
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Ok("12fdfasfsafsadfs".parse()?)
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}
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fn join_error() -> Result<()> {
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panic::set_hook(Box::new(|_info| {}));
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Ok(thread::spawn(|| panic!("hi")).join()?)
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}
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fn json_error() -> Result<()> {
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Ok(serde_json::from_slice(b"=342{;;;;:}")?)
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}
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fn send_error() -> Result<()> {
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let (s, r) = channel();
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drop(r);
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s.send(())?;
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Ok(())
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}
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#[test]
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fn from_test() {
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assert_matches!(addr_parse_error(), Err(Error::AddrParse(_)));
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assert_matches!(Error::from(RecvError {}), Error::RecvError(_));
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assert_matches!(
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Error::from(RecvTimeoutError::Timeout),
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Error::RecvTimeoutError(_)
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);
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assert_matches!(send_error(), Err(Error::SendError));
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assert_matches!(join_error(), Err(Error::JoinError(_)));
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let ioe = io::Error::new(io::ErrorKind::NotFound, "hi");
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assert_matches!(Error::from(ioe), Error::Io(_));
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}
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#[test]
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fn fmt_test() {
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write!(io::sink(), "{:?}", addr_parse_error()).unwrap();
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write!(io::sink(), "{:?}", Error::from(RecvError {})).unwrap();
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write!(io::sink(), "{:?}", Error::from(RecvTimeoutError::Timeout)).unwrap();
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write!(io::sink(), "{:?}", send_error()).unwrap();
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write!(io::sink(), "{:?}", join_error()).unwrap();
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write!(io::sink(), "{:?}", json_error()).unwrap();
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write!(
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io::sink(),
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"{:?}",
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Error::from(io::Error::new(io::ErrorKind::NotFound, "hi"))
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)
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.unwrap();
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}
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}
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