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Diffstat (limited to 'crates/syntax/src/syntax_editor/mapping.rs')
-rw-r--r--crates/syntax/src/syntax_editor/mapping.rs8
1 files changed, 6 insertions, 2 deletions
diff --git a/crates/syntax/src/syntax_editor/mapping.rs b/crates/syntax/src/syntax_editor/mapping.rs
index b2c677c869..9bb5e6d933 100644
--- a/crates/syntax/src/syntax_editor/mapping.rs
+++ b/crates/syntax/src/syntax_editor/mapping.rs
@@ -1,3 +1,7 @@
+//! Maps syntax elements through disjoint syntax nodes.
+//!
+//! [`SyntaxMappingBuilder`] should be used to create mappings to add to a [`SyntaxEditor`]
+
use itertools::Itertools;
use rustc_hash::FxHashMap;
@@ -168,11 +172,11 @@ impl SyntaxMapping {
match (input_mapping, input_ancestor) {
(Some(input_mapping), _) => {
// A mapping exists at the input, follow along the tree
- Some(self.upmap_child(&input_mapping, &input_mapping, &output_root))
+ Some(self.upmap_child(&input_mapping, &input_mapping, output_root))
}
(None, Some(input_ancestor)) => {
// A mapping exists at an ancestor, follow along the tree
- Some(self.upmap_child(input, &input_ancestor, &output_root))
+ Some(self.upmap_child(input, &input_ancestor, output_root))
}
(None, None) => {
// No mapping exists at all, is the same position in the final tree