Function expr_not

src/cypher/cypher.c:830–835

}

static cbm_expr_t *expr_not(cbm_expr_t *child) {
    cbm_expr_t *e = calloc(CBM_ALLOC_ONE, sizeof(cbm_expr_t));
    e->type = EXPR_NOT;
    e->left = child;
    return e;
}

/* ── Unsupported keyword detection ─────────────────────────────── */