syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // this error anymore without first having hit a trait solver error.
context_before:                         // that require that the range end is >= the range start so that we can't hit
context_after:                         // Very fuzzy on the details here, but pattern types are an internal impl detail,