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### 2915. The three container adapters should each have a deduction guide

Section: 22.6 [container.adaptors] Status: Resolved Submitter: United States Opened: 2017-02-03 Last modified: 2017-03-20

Priority: Not Prioritized

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Discussion:

Addresses US 150

The three container adapters should each have a deduction guide allowing the deduction of the value type `T` from the supplied container, potentially constrained to avoid confusion with deduction from a copy/move constructor.

Proposed change: For each container adapter, add a deduction guide of the form

>     template <class Container>
>     adapter(const Container&) -> adapter<typename Container::value_type, Container>;

[2017-03-12, post-Kona]

Resolved by P0433R2.

Proposed resolution: