syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:                 match self.map.get(&ct.into()).map(|arg| arg.kind()) {
context_before:                 // Look it up in the generic parameters list.
context_after:                     // Found it in the generic parameters list, replace with the parameter from the