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-rw-r--r--src/util/edit_map.rs6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/util/edit_map.rs b/src/util/edit_map.rs
index eba667d..ebc20b7 100644
--- a/src/util/edit_map.rs
+++ b/src/util/edit_map.rs
@@ -67,6 +67,7 @@ impl EditMap {
pub fn add(&mut self, index: usize, remove: usize, add: Vec<Event>) {
add_impl(self, index, remove, add, false);
}
+ /// Create an edit: but insert `add` before existing additions.
pub fn add_before(&mut self, index: usize, remove: usize, add: Vec<Event>) {
add_impl(self, index, remove, add, true);
}
@@ -134,7 +135,7 @@ impl EditMap {
}
}
-/// To do.
+/// Create an edit.
fn add_impl(
edit_map: &mut EditMap,
index: usize,
@@ -145,9 +146,10 @@ fn add_impl(
assert!(!edit_map.consumed, "cannot add after consuming");
if let Some((curr_remove, mut curr_add)) = edit_map.map.remove(&index) {
- // To do: these might have to be split in several chunks instead
+ // To do: these might have to be split into several chunks instead
// of one, if links in `curr_add` are supported.
remove += curr_remove;
+
if before {
add.append(&mut curr_add);
} else {