syntax_data: {"ast_node_type":"function","tokens":[{"end":36,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet: fn find_fallback_pattern_typo<'tcx>(
context_before: /// Detect typos that were meant to be a `const` but were interpreted as a new pattern binding.
context_after:     cx: &PatCtxt<'_, 'tcx>,