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//! Definition of an iris [error][Error].
use std::fmt;
use std::io;
macro_rules! error {
($($arg:tt)*) => {
$crate::error::Error::new(format!($($arg)*))
};
}
pub(crate) use error;
/// Errors that can occur in iris
#[derive(thiserror::Error, Debug)]
pub enum Error {
/// Occurs when a file could not be read, or could not be written to.
#[error(transparent)]
Io(#[from] io::Error),
/// Occurs when an error was raised from the local git repository
#[error(transparent)]
Git(#[from] git2::Error),
/// Occurs when iris failed to convert its internal structures into the
/// config string representation.
#[error(transparent)]
De(#[from] crate::parse::de::Error),
/// Occurs when a provided string representation of an iris structure is
/// invalid and could not be converted/parsed.
#[error(transparent)]
Ser(#[from] crate::parse::ser::Error),
/// Generic error message, occurs anywhere
#[error("{0}")]
Custom(String),
}
impl Error {
pub fn new(fmt: impl fmt::Display) -> Self {
Self::Custom(fmt.to_string())
}
}
impl From<&str> for Error {
fn from(msg: &str) -> Self {
Self::new(msg)
}
}
/// iris result type
pub type Result<T> = std::result::Result<T, Error>;
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