syntax_data: {"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // that require that the range end is >= the range start so that we can't hit
context_before:                         // FIXME(pattern_types): create implied bounds from pattern types in signatures
context_after:                         // this error anymore without first having hit a trait solver error.