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#[macro_export]
macro_rules! source_loc {
() => {
crate::source_loc::SourceLoc {
file: std::file!(),
line: std::line!(),
column: std::column!(),
}
};
}
#[cfg(test)]
mod tests {
#[test]
fn it_can_debug() {
let loc = source_loc!();
assert_eq!("src/source_loc.rs:30:19", &format!("{:?}", loc));
}
#[test]
fn it_can_display() {
let loc = source_loc!();
assert_eq!("src/source_loc.rs:36:19", &format!("{}", loc));
}
}
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
pub struct SourceLoc {
pub file: &'static str,
pub line: u32,
pub column: u32,
}
impl std::fmt::Debug for SourceLoc {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}:{}:{}", self.file, self.line, self.column)
}
}
impl std::fmt::Display for SourceLoc {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Debug::fmt(self, f)
}
}