Comments (2)
This could be useful, but would come at the cost of complicating the syntax. Not only would the predicate need to take an argument, the function's callback would also need to take a second argument. As of right now, the function passed to whilst has no concept of a result.
Instead, just store the last result in the function and check it in the predicate:
var lastResult = null;
async.whilst(
function () { return lastResult !== 4; },
function (callback) {
doStuff(function(err, result){
lastResult = result;
callback();
});
}
);
from async.
yeah, I see the point, but it's not much trouble to rely on the surrounding scope. closing for now
from async.
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from async.