boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "lambda_expression_head")) return false; if (!nextTokenIsFast(b, T_LPAREN)) return false; boolean r; Marker m = enter_section_(b); r = lambda_parameter_list(b, l + 1); r = r && mb_nl(b, l + 1); r = r && consumeToken(b, T_ARROW); exit_section_(b, m, null, r); return r; }