syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"\"take"}]}
source_snippet:         "take the brakes off const evaluation. NOTE: this is unsound (default: no)"),
context_before:     unleash_the_miri_inside_of_you: bool = (false, parse_bool, [TRACKED],
context_after:     unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED],