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use core::cmp::Ordering;
/// A line-column pair representing the start or end of a `Span`.
///
/// This type is semver exempt and not exposed by default.
#[cfg_attr(doc_cfg, doc(cfg(feature = "span-locations")))]
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub struct LineColumn {
/// The 1-indexed line in the source file on which the span starts or ends
/// (inclusive).
pub line: usize,
/// The 0-indexed column (in UTF-8 characters) in the source file on which
/// the span starts or ends (inclusive).
pub column: usize,
}
impl Ord for LineColumn {
fn cmp(&self, other: &Self) -> Ordering {
self.line
.cmp(&other.line)
.then(self.column.cmp(&other.column))
}
}
impl PartialOrd for LineColumn {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}