Method containerRealloc

include/sonic/dom/dynamicnode.h:531–541

  template <typename T>
  sonic_force_inline void* containerRealloc(void* old_ptr, size_t old_cap,
                                            size_t new_cap, Allocator& alloc) {
    size_t old_size = old_cap * sizeof(T) + sizeof(MetaNode);
    size_t new_size = new_cap * sizeof(T) + sizeof(MetaNode);
    void* mem = alloc.Realloc(old_ptr, old_size, new_size);
    // init Metanode
    MetaNode* meta = static_cast<MetaNode*>(mem);
    meta->SetMetaCap(new_cap);

    return mem;
  }

  sonic_force_inline void* children() const {
    sonic_assert(this->IsContainer());