54 lines
1.4 KiB
Rust
54 lines
1.4 KiB
Rust
#[cfg(any(test, not(feature = "no_std")))]
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use std::io;
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/// The set of all possible errors
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#[derive(Debug)]
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pub enum Error {
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BadMagic(u16),
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OutOfBounds(usize),
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BadBlockGroupCount(u32, u32),
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#[cfg(any(test, not(feature = "no_std")))]
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Io(io::Error),
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}
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impl From<Infallible> for Error {
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fn from(_: Infallible) -> Error {
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unreachable!()
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}
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}
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#[cfg(any(test, not(feature = "no_std")))]
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impl From<io::Error> for Error {
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fn from(err: io::Error) -> Error {
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Error::Io(err)
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}
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}
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impl PartialEq for Error {
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fn eq(&self, rhs: &Error) -> bool {
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match (self, rhs) {
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(&Error::BadMagic(a), &Error::BadMagic(b)) => a == b,
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(&Error::OutOfBounds(a), &Error::OutOfBounds(b)) => a == b,
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(
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&Error::BadBlockGroupCount(a1, a2),
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&Error::BadBlockGroupCount(b1, b2),
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) => a1 == b1 && a2 == b2,
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_ => false,
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}
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}
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fn ne(&self, rhs: &Error) -> bool {
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match (self, rhs) {
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(&Error::BadMagic(a), &Error::BadMagic(b)) => a != b,
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(&Error::OutOfBounds(a), &Error::OutOfBounds(b)) => a != b,
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(
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&Error::BadBlockGroupCount(a1, a2),
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&Error::BadBlockGroupCount(b1, b2),
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) => a1 != b1 || a2 != b2,
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_ => false,
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}
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}
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}
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pub enum Infallible {}
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