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pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug)]
#[non_exhaustive]
pub enum Error {
IO(std::io::Error),
Parse(dhall_core::ParseError),
Decode(crate::binary::DecodeError),
Resolve(crate::imports::ImportError),
Typecheck(crate::typecheck::TypeError),
Deserialize(String),
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self {
Error::IO(err) => write!(f, "{}", err),
Error::Parse(err) => write!(f, "{}", err),
Error::Decode(err) => write!(f, "{:?}", err),
Error::Resolve(err) => write!(f, "{:?}", err),
Error::Typecheck(err) => write!(f, "{:?}", err),
Error::Deserialize(err) => write!(f, "{}", err),
}
}
}
impl std::error::Error for Error {}
impl From<std::io::Error> for Error {
fn from(err: std::io::Error) -> Error {
Error::IO(err)
}
}
impl From<dhall_core::ParseError> for Error {
fn from(err: dhall_core::ParseError) -> Error {
Error::Parse(err)
}
}
impl From<crate::binary::DecodeError> for Error {
fn from(err: crate::binary::DecodeError) -> Error {
Error::Decode(err)
}
}
impl From<crate::imports::ImportError> for Error {
fn from(err: crate::imports::ImportError) -> Error {
Error::Resolve(err)
}
}
impl From<crate::typecheck::TypeError> for Error {
fn from(err: crate::typecheck::TypeError) -> Error {
Error::Typecheck(err)
}
}
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