2018-03-30 10:43:38 -07:00
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//! The `result` module exposes a Result type that propagates one of many different Error types.
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2018-03-29 11:20:54 -07:00
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2018-05-14 14:33:11 -07:00
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use bank;
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2018-03-26 21:03:26 -07:00
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use bincode;
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2018-10-08 19:55:54 -07:00
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use cluster_info;
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2018-11-15 15:53:31 -08:00
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use db_ledger;
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2018-07-05 13:37:13 -07:00
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#[cfg(feature = "erasure")]
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use erasure;
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2018-07-25 12:15:26 -07:00
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use packet;
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2018-10-18 22:57:48 -07:00
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use poh_recorder;
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2018-11-15 15:53:31 -08:00
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use rocksdb;
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2018-03-07 13:47:13 -08:00
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use serde_json;
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use std;
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use std::any::Any;
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2018-10-25 16:58:40 -07:00
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use vote_stage;
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2018-03-07 13:47:13 -08:00
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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<Any + Send + 'static>),
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RecvError(std::sync::mpsc::RecvError),
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RecvTimeoutError(std::sync::mpsc::RecvTimeoutError),
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2018-03-10 20:09:17 -08:00
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Serialize(std::boxed::Box<bincode::ErrorKind>),
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2018-05-14 14:33:11 -07:00
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BankError(bank::BankError),
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2018-10-08 19:55:54 -07:00
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ClusterInfoError(cluster_info::ClusterInfoError),
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2018-07-25 12:15:26 -07:00
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BlobError(packet::BlobError),
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2018-07-05 13:37:13 -07:00
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#[cfg(feature = "erasure")]
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ErasureError(erasure::ErasureError),
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2018-03-07 13:47:13 -08:00
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SendError,
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2018-10-18 22:57:48 -07:00
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PohRecorderError(poh_recorder::PohRecorderError),
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2018-10-25 16:58:40 -07:00
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VoteError(vote_stage::VoteError),
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2018-11-15 15:53:31 -08:00
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RocksDb(rocksdb::Error),
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DbLedgerError(db_ledger::DbLedgerError),
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2018-03-07 13:47:13 -08:00
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}
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pub type Result<T> = std::result::Result<T, Error>;
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2018-08-20 13:03:36 -07:00
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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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2018-03-07 13:47:13 -08:00
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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<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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2018-05-14 14:33:11 -07:00
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impl std::convert::From<bank::BankError> for Error {
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fn from(e: bank::BankError) -> Error {
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Error::BankError(e)
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2018-04-19 10:32:02 -07:00
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}
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}
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2018-10-08 19:55:54 -07:00
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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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2018-07-05 13:37:13 -07:00
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}
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}
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#[cfg(feature = "erasure")]
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impl std::convert::From<erasure::ErasureError> for Error {
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fn from(e: erasure::ErasureError) -> Error {
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Error::ErasureError(e)
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}
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}
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2018-03-07 13:47:13 -08:00
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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<Any + Send + 'static>> for Error {
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fn from(e: Box<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<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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2018-03-10 20:09:17 -08:00
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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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2018-10-18 22:57:48 -07:00
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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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2018-10-25 16:58:40 -07:00
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impl std::convert::From<vote_stage::VoteError> for Error {
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fn from(e: vote_stage::VoteError) -> Error {
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Error::VoteError(e)
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}
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}
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2018-11-15 15:53:31 -08:00
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impl std::convert::From<rocksdb::Error> for Error {
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fn from(e: rocksdb::Error) -> Error {
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Error::RocksDb(e)
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}
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}
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impl std::convert::From<db_ledger::DbLedgerError> for Error {
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fn from(e: db_ledger::DbLedgerError) -> Error {
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Error::DbLedgerError(e)
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}
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}
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2018-03-07 13:47:13 -08:00
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#[cfg(test)]
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mod tests {
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use result::Error;
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2018-03-26 21:03:26 -07:00
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use result::Result;
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use serde_json;
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use std::io;
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use std::io::Write;
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2018-03-07 13:47:13 -08:00
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use std::net::SocketAddr;
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2018-05-14 08:05:29 -07:00
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use std::panic;
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2018-05-29 20:20:28 -07:00
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use std::sync::mpsc::channel;
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2018-03-07 13:47:13 -08:00
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use std::sync::mpsc::RecvError;
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use std::sync::mpsc::RecvTimeoutError;
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2018-03-26 21:03:26 -07:00
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use std::thread;
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2018-03-07 13:47:13 -08:00
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fn addr_parse_error() -> Result<SocketAddr> {
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let r = "12fdfasfsafsadfs".parse()?;
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Ok(r)
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}
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fn join_error() -> Result<()> {
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2018-05-14 08:05:29 -07:00
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panic::set_hook(Box::new(|_info| {}));
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2018-03-07 13:47:13 -08:00
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let r = thread::spawn(|| panic!("hi")).join()?;
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Ok(r)
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}
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fn json_error() -> Result<()> {
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let r = serde_json::from_slice("=342{;;;;:}".as_bytes())?;
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Ok(r)
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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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).unwrap();
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}
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}
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