syntax_data: {"ast_node_type":"variable","tokens":[{"end":47,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let Result::Ok(idx) = n.try_into() {
context_before:     pub fn integer<N: TryInto<usize> + Copy + itoa::Integer>(n: N) -> Symbol {
context_after:             if idx < 10 {