Work on insert mode.

1 files changed, 12 insertions, 0 deletions

diff --git a/helix-core/src/transaction.rs b/helix-core/src/transaction.rs
index 1619a4db..2d8afc9b 100644
--- a/helix-core/src/transaction.rs
+++ b/helix-core/src/transaction.rs
@@ -47,6 +47,18 @@ impl ChangeSet {
         }
     }
 
+    pub fn insert(buf: &Buffer, pos: usize, c: char) -> Self {
+        let len = buf.contents.len_chars();
+        Self {
+            changes: vec![
+                Change::Retain(pos),
+                Change::Insert(Tendril::from_char(c)),
+                Change::Retain(len - pos),
+            ],
+            len,
+        }
+    }
+
     // TODO: from iter
 
     /// Combine two changesets together.