syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:             match this.match_where_clause_trait_ref(stack.obligation, where_clause_trait_ref) {
context_before:         self.evaluation_probe(|this| {
context_after:                 Ok(obligations) => this.evaluate_predicates_recursively(stack.list(), obligations),