Version control in C++ function naming

C Versioning in function naming is a method of managing code changes, achieved by adopting the following naming convention: old versions retain the original name and add a numeric suffix, and new versions create new functions with similar names and add a suffix. Advantages include ease of understanding, forward compatibility, and easy rollback. Through this approach, we can effectively manage function evolution and keep the code readable and maintainable.

Version control in C function naming

Version control is a crucial part of software development, it can help We manage code changes and track code evolution. In C, function naming can be a simple and effective way to implement version control.

Naming convention

The following are general conventions for versioning using function naming:

• Older versions: Keep the original function name and add a numeric suffix after it. For example: foo() -> foo_v2()
• ##New version: Create a new function with a similar name to the old version , but the suffix is ​​increased by one. For example: foo_v2() -> foo_v3()

Advantages

Use function naming for versioning Control has the following advantages:

• Easy to understand: Using simple suffix version numbers can clearly indicate the evolution of the function.
• Forward compatibility: New version functions can call old version functions to ensure code backward compatibility.
• Easy rollback: If there is a problem with the new version of the function, you can easily roll back to the old version of the function.

Practical case

Consider the following function:

int calculate_area(int height, int width);

If we need to update this function to support calculating the area of ​​an ellipse, we can use Function naming for version control:

// 旧版本，计算矩形的面积
int calculate_area(int height, int width) {
  return height * width;
}

// 新版本，计算椭圆的面积
int calculate_area_v2(float major_axis, float minor_axis) {
  return PI * major_axis * minor_axis / 4;
}

In this way, the new version of the function

calculate_area_v2() will not break the old version of the function and can be easily identified as the new version.

By using version-controlled naming conventions, we can effectively manage function evolution in C code while keeping the code readable and maintainable.

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