bmi_rs/
errors.rs

1use crate::BmiResult;
2use std::error::Error;
3use std::fmt;
4
5macro_rules! err {
6    ($name:ident, $msg:literal) => {
7        #[doc = $msg]
8        #[doc = " error"]
9        #[derive(Debug, Copy, Clone, Eq, PartialEq)]
10        pub struct $name;
11
12        impl fmt::Display for $name {
13            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
14                write!(f, $msg)
15            }
16        }
17
18        impl Error for $name {}
19
20        impl<T> From<$name> for BmiResult<T> {
21            fn from(value: $name) -> Self {
22                Err(Box::new(value))
23            }
24        }
25    };
26}
27
28err!(BmiNotImplementedError, "not implemented");
29err!(BmiIndexOutOfBounds, "index out of bounds");
bmi_rs/errors.rs

bmi_rs/
errors.rs
