luhn-generator/update/node_modules/rxjs/_esm2015/internal/operators/concat.js

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

import { concat as concatStatic } from '../observable/concat';
export function concat(...observables) {
    return (source) => source.lift.call(concatStatic(source, ...observables));
}
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