I don't understand what the big deal is. Callbacks are OK. They're less cumbersome if the language you're using has smaller function definitions. Callbacks 'get crazy' when you've got more than one I think, and thankfully someone smart has made a library you can use to manage them! https://github.com/caolan/async Saying that, I don't mind the way things look with the whole await/async stuff in C# and etc. However I d…
How do you do this with callbacks? foreach (var player in players) { while (true) { var name = await Ask("What's your name"); if (IsValidName(name)) { player.name = name; break; } } } Assuming `Ask` is an asynchronous operation and must not block the UI thread. Note that second player is only asked after the first player has given a valid name. (And the code structure reflects that :-) My point is of course it's doab…
async.eachSeries(
players,
function(player, playercb) {
var valid = false;
async.whilst(
function() { return !valid; },
function(wcb) {
Ask("What's your name", function(name) {
if( IsValidName(name) ) {
player.name = name;
valid = true;
}
wcb();
});
},
playercb);
},
function() { /* done */ }
);