syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"self.test_candidates(span,"}]}
source_snippet:                 self.test_candidates(span, scrutinee_span, candidates, start_block)
context_before:                 // The first candidate has some unsatisfied match pairs; we proceed to do more tests.
context_after:             }