syntax_data: {"ast_node_type":"impl","tokens":[{"end":36,"kind":"keyword","start":0,"text":"impl"}]}
source_snippet: impl fmt::Display for SanitizerSet {
context_before: /// Formats a sanitizer set as a comma separated list of sanitizers' names.
context_after:     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {