On Wed, Dec 14, 2022 at 9:13 AM Kyle Knoepfel via Std-Proposals <std-proposals@lists.isocpp.org> wrote:
auto value = value_at(.x=1, .y=2);

I think that syntax should be reserved for a future designated arguments feature.  See D2288R0 here: https://docs.google.com/document/d/14sQA95BVz8F7y-tqXxqXiRENvEusn8MzZgoBXMu4UbI