syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// purposes, except for the NLL MIR dump pass.
context_before:     /// in the passes themselves: i.e. the `Nll` value is considered off for all intents and
context_after:     pub fn is_enabled(self) -> bool {