use_integer/
error.rs

1use core::fmt;
2
3/// Errors produced by integer helper operations.
4#[derive(Clone, Copy, Debug, PartialEq, Eq)]
5pub enum IntegerError {
6    /// The requested operation used a zero divisor.
7    DivisionByZero,
8    /// The requested integer helper overflowed while computing its result.
9    ArithmeticOverflow { operation: &'static str },
10}
11
12impl fmt::Display for IntegerError {
13    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
14        match self {
15            Self::DivisionByZero => {
16                formatter.write_str("integer operation requires a non-zero divisor")
17            },
18            Self::ArithmeticOverflow { operation } => {
19                write!(
20                    formatter,
21                    "integer operation overflowed while computing {operation}"
22                )
23            },
24        }
25    }
26}
27
28impl std::error::Error for IntegerError {}
use_integer/error.rs

use_integer/
error.rs
