remove Range.shorten in favor of an inline solution

helix-core/src/increment/integer.rs

@@ -44,9 +44,8 @@ impl<'a> IntegerIncrementor<'a> {
         };
 
         // If there are trailing underscores, remove them from the range.
-        // There is a `- 1` here because range ends are exclusive.
         while !range.is_empty() && text.char(range.to() - 1) == '_' {
-            range = range.shorten()
+            range = Range::new(range.from(), range.to() - 1)
         }
 
         let word: String = text

helix-core/src/selection.rs

@@ -209,24 +209,6 @@ impl Range {
         }
     }
 
-    /// Shorten the range by 1 character.
-    #[must_use]
-    pub fn shorten(&self) -> Self {
-        match self.head.cmp(&self.anchor) {
-            std::cmp::Ordering::Greater => Self {
-                anchor: self.anchor,
-                head: self.head - 1,
-                horiz: None,
-            },
-            std::cmp::Ordering::Less => Self {
-                anchor: self.anchor - 1,
-                head: self.head,
-                horiz: None,
-            },
-            std::cmp::Ordering::Equal => *self,
-        }
-    }
-
     /// Returns a range that encompasses both input ranges.
     ///
     /// This is like `extend()`, but tries to negotiate the

helix-term/src/commands.rs

@@ -4867,8 +4867,9 @@ fn increment_impl(cx: &mut Context, amount: i64) {
     }
 
     if !changes.is_empty() {
-        let new_selection_primary =
-            selection.primary_index().min(new_selection_ranges.len() - 1);
+        let new_selection_primary = selection
+            .primary_index()
+            .min(new_selection_ranges.len() - 1);
         let new_selection = Selection::new(new_selection_ranges, new_selection_primary);
 
         let transaction = Transaction::change(doc.text(), changes.into_iter());