[Cpp20Concepts](cpp20concepts-module.md)> SortableBox

**Contents**

- [Detailed Description](#details)

# SortableBox

template<[Sortable](traits-sortable.md) T> class SortableBox

A box holding any Sortable type.

| Key | Value |
| --- | --- |
| Header | `concepts.h` |


## Detailed Description
[SortableBox](sortablebox.md) demonstrates the direct concept-on-template-parameter form with a namespaced concept: the template parameter spans must resolve `traits::Sortable` by its fully-qualified name.


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