On Tue, Jul 30, 2013 at 3:39 PM, Andrew Fedoniouk <[email protected]
> wrote:
> Slightly different approach that I've found [1] quite useful.
>
> Consider this simple function:
>
> function range(start,end) {
> var i = start;
> return function() {
> if( i < end ) return i++;
> }
> }
>
> It returns so called iterator function (not an Iterator but just a
> function).
>
> and imagine that for/in ( or for/of )
>
> for(var el in something)
>
> statement is modified to support functions as collections. So body of
> the for loop is called until function
> `something` returns anything but not void.
> Having this this we can write something like this:
>
> for(var i in range(12,48)) {
> console.log(i);
> }
>
> In principle this simple change eliminates need of most of
> generator/yield cases.
>
Which is exactly this:
function * range(start, end) {
for (var i = start; i <= end; i++) {
yield i;
}
}
for (var value of range(0, 9)) {
console.log( value );
}
Or do you mean to say that generator functions and yield should be removed?
Rick
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