Tag Dispatching Idiom

Learn about the tag dispatching idiom.

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Now that we have discussed traits, we will move our discussion to tag dispatching.

Tag dispatching allows the selection of a function based on the type properties:

  • The selection takes place at compile time.
  • Traits are used as selection criteria.

Let’s start with the tag dispatching code and implement a fine-tailored advance_ algorithm optimized for the used container.

Note: The std::advance algorithm is already part of the Standard Template Library.

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