add a comment to make clear that the string in stringIterator
does not change; only curIndex is increased. Newlines are counted between curIndex and the end of string.
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@ -507,6 +507,7 @@ exports.opAssembler = function () {
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*/
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exports.stringIterator = function (str) {
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var curIndex = 0;
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// newLines is the number of \n between curIndex and str.length
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var newLines = str.split("\n").length - 1
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function getnewLines(){
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return newLines
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