t;</code> as a faster,
monadic future-promise was something which AFIO v1 sorely needed.</p>

<p>The original prototype Boost.Expected library was a large and very complex beastie.
I was fortunate to be employed on a contract in late 2014 early 2015 where I saw it deployed at
scale into an existing large C++ codebase. Expected was really great and powerful, but it absolutely
murdered compile times in a large C++ codebase, and made LTO effectively infeasible.
I also found its implementation non-conducive to 