Function binding_copy

src/cypher/cypher.c:2510–2522

Deep-copy a binding (so source and dest own separate string copies) */

/* Deep-copy a binding (so source and dest own separate string copies) */
static void binding_copy(binding_t *dst, const binding_t *src) {
    dst->var_count = src->var_count;
    for (int i = 0; i < src->var_count; i++) {
        dst->var_names[i] = src->var_names[i]; /* AST-owned, not freed */
        node_deep_copy(&dst->var_nodes[i], &src->var_nodes[i]);
    }
    dst->edge_var_count = src->edge_var_count;
    for (int i = 0; i < src->edge_var_count; i++) {
        dst->edge_var_names[i] = src->edge_var_names[i]; /* AST-owned */
        edge_deep_copy(&dst->edge_vars[i], &src->edge_vars[i]);
    }
    dst->store = src->store;
}

/* Deep-copy a node into a binding (binding owns the strings) */
static void binding_set(binding_t *b, const char *var, const cbm_node_t *node) {