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use std::{convert, fmt, io};
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
#[non_exhaustive]
#[allow(missing_docs)]
pub enum ErrorKind {
Generic,
MaxBlockSizeInvalid,
BlockModeInvalid,
ContentChecksumFlagInvalid,
CompressionLevelInvalid,
HeaderVersionWrong,
BlockChecksumInvalid,
ReservedFlagSet,
AllocationFailed,
SrcSizeTooLarge,
DstMaxSizeTooSmall,
FrameHeaderIncomplete,
FrameTypeUnknown,
FrameSizeWrong,
SrcPtrWrong,
DecompressionFailed,
HeaderChecksumInvalid,
ContentChecksumInvalid,
FrameDecodingAlreadyStarted,
}
impl fmt::Display for ErrorKind {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), fmt::Error> {
<Self as fmt::Debug>::fmt(self, f)
}
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum Error {
Lz4f(ErrorKind),
Common(crate::ErrorKind),
}
impl Error {
pub(super) const fn new(kind: ErrorKind) -> Self {
Self::Lz4f(kind)
}
}
impl convert::From<Error> for io::Error {
fn from(err: Error) -> Self {
Self::new(io::ErrorKind::Other, err)
}
}
impl convert::From<crate::Error> for Error {
fn from(err: crate::Error) -> Self {
Self::Common(err.kind())
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), fmt::Error> {
match self {
Self::Lz4f(kind) => <ErrorKind as fmt::Display>::fmt(&kind, f),
Self::Common(kind) => <crate::ErrorKind as fmt::Display>::fmt(&kind, f),
}
}
}
impl std::error::Error for Error {}
pub type Result<T> = std::result::Result<T, Error>;