Understanding the Need for Templates

Learn how the use of templates in C++ addresses specific programming challenges.

Each language feature is designed to help with a problem or task that developers face when using that language. The purpose of templates is to help us avoid writing repetitive code that only differs slightly.

Writing a function

To exemplify this, let’s take the classical example of a max function. Such a function takes two numerical arguments and returns the largest of the two. We can easily implement this as follows:

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