19 lines
247 B
Markdown
19 lines
247 B
Markdown
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# RectInt::GetLeft
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```cpp
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int32_t GetLeft() const
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```
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获取矩形左边界。
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**返回：** `int32_t` - 左边界坐标 (x)
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**复杂度：** O(1)
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**示例：**
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```cpp
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RectInt rect(10, 20, 100, 50);
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int32_t left = rect.GetLeft(); // 10
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```
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