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Re: Function proposal: generic value_or

From: Bjorn Reese <breese_at_[hidden]>
Date: Tue, 6 Jul 2021 15:19:31 +0200
On 7/4/21 9:32 PM, Roberto Romani via Std-Proposals wrote:

>     template<typename T, PointerTo<T>... Args>
>     constexpr decltype(auto) value_or(T&& default_value, Args&&...
> to_test_v) noexcept;

You may want to consider adding lazy evaluation of the default
parameter:

   https://www.foonathan.net/2017/06/lazy-evaluation/

Received on 2021-07-06 08:19:35