syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"(TestKind::SwitchInt,"}]}
source_snippet:             (TestKind::SwitchInt, &TestCase::Constant { value })
context_before:             // things out here, in some cases.
context_after:                 if is_switch_ty(match_pair.pattern_ty) =>