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@conartist6
Created August 19, 2018 18:42
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let array = [1, 2, 3];
let seq = new Seq(array);
let keyedSeq = seq.toKeyedSequence();
seq.map(x => ++x);
Array.from(seq); // [2, 3, 4]
new Map(keyedSequence); // Map[0 => 2, 1 => 3, 2 => 4]
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