syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"tcx.ensure_ok().enforce_impl_non_lifetime_params_are_constrained(impl_def_id)?;"}]}
source_snippet:             tcx.ensure_ok().enforce_impl_non_lifetime_params_are_constrained(impl_def_id)?;
context_before:         {
context_after:         }