syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"UnevaluatedConst"}]}
source_snippet:         UnevaluatedConst { def, args }
context_before:     pub fn new(def: I::DefId, args: I::GenericArgs) -> UnevaluatedConst<I> {
context_after:     }