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define(function () {
return Iterator;
function Iterator(elems, startingIndex) {
this.index = startingIndex || 0;
this.elems = elems;
this.hasPrevious = function () {
return this.index != 0;
};
this.hasNext = function () {
return this.index < this.elems.length - 1;
};
this.previous = function () {
return this.elems[--this.index];
};
this.next = function () {
return this.elems[++this.index];
};
this.current = function () {
return this.elems[this.index];
};
this.hasElements = function () {
return this.elems.length > 0;
};
this.removeCurrent = function () {
var removed = this.current(),
toRemove = this.index;
!this.hasNext() && this.index--;
this.elems.remove(toRemove);
return removed;
};
}
});
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