C++ keyword: requires (since C++20)
Usage
- Specifies a constant expression on template parameters that evaluate a requirement.
- Within such a requirement, introduces a nested requirement.
- In a template declaration, specifies an associated constraint.
Notes
| Feature-test macro | Value | Std | Feature |
|---|---|---|---|
__cpp_concepts | 201907L | (C++20) | Constraints |
See also
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https://en.cppreference.com/cpp/keyword/requires
