21 lines
341 B
Rust
21 lines
341 B
Rust
|
use core::fmt;
|
||
|
use std::error::Error;
|
||
|
|
||
|
#[derive(Debug)]
|
||
|
pub struct LexingError {
|
||
|
pub line: usize,
|
||
|
pub msg: String,
|
||
|
}
|
||
|
|
||
|
impl fmt::Display for LexingError {
|
||
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||
|
write!(f, "Error on line: {}", self.line)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
impl Error for LexingError {
|
||
|
fn description(&self) -> &str {
|
||
|
&self.msg
|
||
|
}
|
||
|
}
|