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let countBits = (x) => x.toString(2).replace(/0/g, "").length;
let sortBits = (x) => [...x].sort((a, b) => countBits(a) - countBits(b));

module.exports.sortBits = sortBits;

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/**
 * @typedef LexemType
 * @type {'data' | 'startTagStart' | 'endTagStart' | 'selfClosedTagEnd' | 'tagEnd' | 'tagName'}
 */

/** @type {{ [lexem: string]: LexemType }} */
const Lexem = {
  startTagStart: "startTagStart", // `<` in `<div>`
  endTagStart: "endTagStart", // `</` in `</div>
  selfClosedTagEnd: "selfClosedTagEnd", // `/>` in `<br />`

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const Token = {
  operator: "operator",
  parensOpen: "parensOpen",
  parensClose: "parensClose",
  number: "number"
};

const Operator = {
  add: "add",
  subtract: "subtract",

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👁👄👁 

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/**
 * Shared interfaces between the modules 'redux-saga' and
 * 'redux-saga/effects'
 */
declare interface $npm$ReduxSaga$Channel {
  take: (cb: (msg: mixed) => void) => void,
  put: (msg: mixed) => void,
  close: Function,
}

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8893

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git log --pretty=format: --shortstat --no-merges --author=$1 \
  | sed '/^$/d'\
  | awk -F' ' '{s1+=$4;s2+=$6}END{printf "additions: %s; deletions: %s\n",s1,s2}'

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# to get commit messages of user 'rgusev' betwen 2017-01-01 and 2017-31-12
# sh gitcommitsbydate.sh rgusev 2017-01-01 2017-31-12

git log --author=$1 --pretty=format:"%s" --no-merges --after="$2" --before="$3"

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const assert = require('assert');

function flatten(array) {
  // Return argument if it isn't an array
  if (!Array.isArray(array)) {
    return array;
  }

  const result = [];