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Generic Programming Templates in C++

Idioms and Patterns: Policy and Traits

Explore how policy and traits idioms in C++ templates provide adaptable behavior and extract type characteristics. Understand their use in standard containers and generic programming to enhance design flexibility and code reuse.

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Policy and Traits

Policy

A Policy is a generic function or class with adaptable behavior.

Policy parameters have typically default values.

This adaptable behavior is expressed in several type parameters, the so-called policy parameters. Due to different policy parameters, the concrete generic function or class behaves differently.

Typical ...