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import * as sequence from 'sequence'; let seq = new sequence.Sequence(); let key = "A"; for (let i=0; i < 10; i++) { let v = seq.next(key); console.log(v); } let keyB = "B"; console.log(seq.next(keyB));
clear sequence
key of sequence
get next number of the sequence
set key to specified value
current value of key
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