What are some examples of preprocessor usage in programming?
An example of an AI chatbot conversation about preprocessor usage in programming.
What are some examples of preprocessor usage in programming?
Preprocessors are tools that process source code before it's compiled. Common examples include C/C++ preprocessor directives like #define, #include, and #ifdef.
Can you explain how #define works?
Sure! The #define directive allows you to create macros, which are essentially shortcuts for code. For example, you can define a constant value like this: #define PI 3.14.
What about #include? How is it used?
The #include directive is used to include the contents of one file into another. It's commonly used to include header files that contain function declarations.
Are there any other preprocessors besides C/C++?
Yes, other languages have preprocessors too! For example, in web development, tools like Sass and LESS preprocess CSS.
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