boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "expression_single_parameter_lambda_body")) return false; boolean r; Marker m = enter_section_(b, l, _COLLAPSE_, EXPRESSION_LAMBDA_BODY, "<expression single parameter lambda body>"); r = expression_or_application_except_zero_params_closure(b, l + 1); exit_section_(b, l, m, r, false, null); return r; }