error_stack/fmt/
location.rs1use core::{fmt, panic::Location};
2
3use crate::fmt::color::{Color, ColorMode, DisplayStyle, Style};
4
5pub(super) struct LocationAttachment<'a, 'loc> {
6 location: &'a Location<'loc>,
7 mode: ColorMode,
8}
9
10impl<'a, 'loc> LocationAttachment<'a, 'loc> {
11 #[must_use]
12 pub(super) const fn new(location: &'a Location<'loc>, mode: ColorMode) -> Self {
13 Self { location, mode }
14 }
15}
16
17impl fmt::Display for LocationAttachment<'_, '_> {
18 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
19 let location = self.location;
20
21 let mut style = Style::new();
22
23 match self.mode {
24 ColorMode::None => {}
25 ColorMode::Color => style.set_foreground(Color::Black, true),
26 ColorMode::Emphasis => style.set_display(DisplayStyle::new().with_italic(true)),
27 };
28
29 f.write_fmt(format_args!("at {}", style.apply(&location)))?;
30
31 Ok(())
32 }
33}