On 6/14/24 12:04, Frederick Virchanza Gotham via Std-Proposals wrote:

> Note my use of a 'tuple' in the above code. I could make the class
> much more simple by using 'std::function' as follows:

std::function is about type-erasure, which std::elide does not need.
The proper tool for the job is std::bind_front.