From 0a837400e0ffa7fca1a1902b34f375d0dc5b5f6b Mon Sep 17 00:00:00 2001
From: Greg Brown <gmb60@cam.ac.uk>
Date: Fri, 8 Jan 2021 18:00:34 +0000
Subject: Add positions to chewed errors.

---
 chewed/src/position.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 chewed/src/position.rs

(limited to 'chewed/src/position.rs')

diff --git a/chewed/src/position.rs b/chewed/src/position.rs
new file mode 100644
index 0000000..62d9b5a
--- /dev/null
+++ b/chewed/src/position.rs
@@ -0,0 +1,21 @@
+use std::fmt;
+
+#[derive(Clone, Copy, Debug, Hash, Eq, Ord, PartialEq, PartialOrd)]
+pub struct LineCol {
+    /// One-indexed line.
+    pub line: usize,
+    /// Zero-indexed column.
+    pub col: usize,
+}
+
+impl Default for LineCol {
+    fn default() -> Self {
+        Self { line: 1, col: 0 }
+    }
+}
+
+impl fmt::Display for LineCol {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}:{}", self.line, self.col)
+    }
+}
-- 
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