syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Adds `1` to the value and wraps around if the maximum for the type is reached.
context_before: impl<'tcx> Discr<'tcx> {
context_after:     pub fn wrap_incr(self, tcx: TyCtxt<'tcx>) -> Self {