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apple_mpsgraph/
error.rs

1pub type Result<T> = core::result::Result<T, Error>;
2
3#[derive(Debug, Clone, PartialEq, Eq)]
4pub enum Error {
5    InvalidLength { expected: usize, actual: usize },
6    OperationFailed(&'static str),
7    UnsupportedDataType(u32),
8}
9
10impl core::fmt::Display for Error {
11    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
12        match self {
13            Self::InvalidLength { expected, actual } => {
14                write!(
15                    f,
16                    "invalid buffer length: expected {expected} bytes, got {actual}"
17                )
18            }
19            Self::OperationFailed(message) => f.write_str(message),
20            Self::UnsupportedDataType(data_type) => {
21                write!(f, "unsupported MPSDataType raw value: {data_type:#x}")
22            }
23        }
24    }
25}
26
27impl std::error::Error for Error {}