1 files changed, 32 insertions, 0 deletions

diff --git a/src/text.rs b/src/text.rs
new file mode 100644
index 000000000..5297275ed
--- /dev/null
+++ b/src/text.rs
@@ -0,0 +1,32 @@
+use std::fmt;
+
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct TextUnit(u32);
+
+impl TextUnit {
+    pub fn len_of_char(c: char) -> TextUnit {
+        TextUnit(c.len_utf8() as u32)
+    }
+
+    pub fn new(val: u32) -> TextUnit {
+        TextUnit(val)
+    }
+}
+
+impl fmt::Debug for TextUnit {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        <Self as fmt::Display>::fmt(self, f)
+    }
+}
+
+impl fmt::Display for TextUnit {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+impl From<TextUnit> for u32 {
+    fn from(tu: TextUnit) -> u32 {
+        tu.0
+    }
+}