syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"matches!(self.trait_of_assoc(def_id),"}]}
source_snippet:         matches!(self.trait_of_assoc(def_id), Some(trait_id) if self.is_const_trait(trait_id))
context_before:     pub fn is_const_default_method(self, def_id: DefId) -> bool {
context_after:     }