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A small discriminative modification to the nature of override and overload #265

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Merged
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May 7, 2023
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A small discriminative modification to the nature of override and overload #265

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a84ed90
Update 02-usability.md
lingkerio May 7, 2023
e031ac0
Update 02-usability.md
lingkerio May 7, 2023
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2 changes: 1 addition & 1 deletion book/en-us/02-usability.md
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Expand Up @@ -971,7 +971,7 @@ C++11 introduces the two keywords `override` and `final` to prevent this from ha

### override

When overriding a virtual function, introducing the `override` keyword will explicitly tell the compiler to overload, and the compiler will check if the base function has such a virtual function, otherwise it will not compile:
When overriding a virtual function, introducing the `override` keyword will explicitly tell the compiler to overload, and the compiler will check if the base function has such a virtual function with consistent function signature, otherwise it will not compile:

```cpp
struct Base {
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2 changes: 1 addition & 1 deletion book/zh-cn/02-usability.md
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Expand Up @@ -880,7 +880,7 @@ C++11 引入了 `override` 和 `final` 这两个关键字来防止上述情形

#### override

当重载虚函数时，引入 `override` 关键字将显式的告知编译器进行重载，编译器将检查基函数是否存在这样的虚函数，否则将无法通过编译：
当重载虚函数时，引入 `override` 关键字将显式的告知编译器进行重载，编译器将检查基函数是否存在这样的其函数签名一致的虚函数，否则将无法通过编译：

```cpp
struct Base {
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