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Contents
//! Error handling.
use std::fmt;
/// Enumeration of errors possible in this library
#[derive(Debug)]
pub enum Error {
/// Cannot create the memfd
Create(std::io::Error),
/// Cannot add new seals to the memfd
AddSeals(std::io::Error),
/// Cannot read the seals of a memfd
GetSeals(std::io::Error),
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Error::Create(e) | Error::AddSeals(e) | Error::GetSeals(e) => Some(e),
}
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match self {
Error::Create(_) => "cannot create a memfd",
Error::AddSeals(_) => "cannot add seals to the memfd",
Error::GetSeals(_) => "cannot read seals for a memfd",
})
}
}
#[cfg(test)]
#[test]
fn error_send_sync() {
fn assert_error<E: std::error::Error + Send + Sync + fmt::Display + fmt::Debug + 'static>() {}
assert_error::<Error>();
}
Version data entries
38 entries across 38 versions & 1 rubygems