syntax_data: {"ast_node_type":"variable","tokens":[{"end":35,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let scalar_int = trunc(
context_before:         (ast::LitKind::Int(n, _), ty::Int(i)) => {
context_after:                 if neg { (n.get() as i128).overflowing_neg().0 as u128 } else { n.get() },