syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // of the union so it is marked as initialized again.
context_before:         // Check if we are assigning into a field of a union, if so, lookup the place
context_after:         if let Some((place_base, ProjectionElem::Field(_, _))) = place.last_projection() {