fn parse_trait_fn_sig<'tcx>(
tcx: TyCtxt<'tcx>,
def_id: DefId,
) -> Option<(Vec<String>, Vec<Ty<'tcx>>)>Expand description
Extract parameter names from a HIR trait method declaration and pair them
with types from the function signature. Handles TraitFn::Required (names
directly in the declaration) and TraitFn::Provided (names in the body).