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XCEngine/docs/api/memory/pool-allocator/get-total-block-count.md

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# PoolAllocator::GetTotalBlockCount
```cpp
size_t GetTotalBlockCount() const;
```
返回内存池中的总块数。此值在构造时确定,之后保持不变。
**参数:** 无
**返回:** 内存池的总块数
**复杂度:** O(1)
**示例:**
```cpp
#include <XCEngine/Memory/PoolAllocator.h>
PoolAllocator pool(sizeof(int), 100);
size_t total = pool.GetTotalBlockCount(); // 100
size_t free = pool.GetFreeBlockCount(); // 100
void* block = pool.Allocate();
size_t freeAfter = pool.GetFreeBlockCount(); // 99
pool.Free(block);
size_t freeRestored = pool.GetFreeBlockCount(); // 100
```
## 相关文档
- [PoolAllocator 总览](pool-allocator.md) - 返回类总览