bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir/src/semantics.rs')
-rw-r--r--crates/hir/src/semantics.rs7
1 files changed, 5 insertions, 2 deletions
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs
index e55b693ef0..98f5739600 100644
--- a/crates/hir/src/semantics.rs
+++ b/crates/hir/src/semantics.rs
@@ -641,11 +641,14 @@ impl<'db> SemanticsImpl<'db> {
})
}
- pub fn expand_derive_macro(&self, attr: &ast::Attr) -> Option<Vec<ExpandResult<SyntaxNode>>> {
+ pub fn expand_derive_macro(
+ &self,
+ attr: &ast::Attr,
+ ) -> Option<Vec<Option<ExpandResult<SyntaxNode>>>> {
let res: Vec<_> = self
.derive_macro_calls(attr)?
.into_iter()
- .flat_map(|call| {
+ .map(|call| {
let file_id = call?.left()?;
let ExpandResult { value, err } = self.db.parse_macro_expansion(file_id);
let root_node = value.0.syntax_node();