syntax_data: {"ast_node_type":"function","tokens":[{"end":99,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet: fn parse_float_into_constval(num: Symbol, float_ty: ty::FloatTy, neg: bool) -> Option<ConstValue> {
context_after:     parse_float_into_scalar(num, float_ty, neg).map(|s| ConstValue::Scalar(s.into()))