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more better working debug

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This commit is contained in:
nora 2022-04-24 12:50:12 +02:00
parent 08d1f01802
commit 01e6d7802e
5 changed files with 34 additions and 6 deletions
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22
src/errors.rs
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@ -11,9 +11,9 @@ use std::fmt::Debug;
pub use span::Span;
mod span {
use std::fmt::{Debug, Formatter};
#[derive(Debug, Default, Copy, Clone, PartialOrd, PartialEq, Ord, Eq, Hash)]
#[cfg_attr(feature = "_debug", derive(dbg_pls::DebugPls))]
#[derive(Default, Copy, Clone, PartialOrd, PartialEq, Ord, Eq, Hash)]
pub struct Span {
pub start: usize,
pub end: usize,
@ -66,6 +66,24 @@ mod span {
self.end - self.start
}
}
impl Debug for Span {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_tuple("Span")
.field(&(self.start..self.end))
.finish()
}
}
#[cfg(feature = "_debug")]
impl dbg_pls::DebugPls for Span {
fn fmt(&self, f: dbg_pls::Formatter<'_>) {
f.debug_tuple_struct("Span")
// todo: wait for https://github.com/conradludgate/dbg-pls/pull/1
.field(&format!("{:?}", (self.start..self.end)))
.finish()
}
}
}
#[derive(Debug, Clone, PartialEq)]