Merge 2563766 into 24744c9

pythonbrad · Sep 15, 2023 · ccae31a · ccae31a
2 parents 24744c9 + 2563766
commit ccae31a
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/clafrica-lib/src/lib.rs b/clafrica-lib/src/lib.rs
@@ -176,6 +176,11 @@ pub mod text_buffer {
         pub fn clear(&mut self) {
             self.buffer.clear();
         }
+
+        /// Verify if the cursor is empty
+        pub fn is_empty(&self) -> bool {
+            return self.buffer.iter().filter(|c| c.key != '\0').count() == 0;
+        }
     }
 }
 
@@ -316,6 +321,7 @@ mod tests {
         );
         undo!(cursor 4);
         assert_eq!(cursor.to_sequence(), vec!['\0', '\0']);
+        assert!(cursor.is_empty());
         undo!(cursor 1);
         assert_eq!(cursor.to_sequence(), vec![]);