FontAwesome 4.2 shortened SCSS with @each

gistfile1.scss

// Font Icon
%fontawesomeIcon {
  display: inline-block;
  font-family: FontAwesome;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@include font-face(FontAwesome, '#{$font-path}/fontawesome-webfont');

/* Font Awesome uses the Unicode Private Use Area (PUA) to ensure screen
   readers do not read off random characters that represent icons */

// Variables
// --------------------------

$fa-css-prefix:       icon !default;
$fa-version:          "4.2.0" !default;
$fa-border-color:     #eee !default;
$fa-inverse:          #fff !default;
$fa-li-width:         (30em / 14) !default;

$fa-vars: (
  adjust "\f042",
  adn "\f170",
  align-center "\f037",
  align-justify "\f039",
  align-left "\f036",
  align-right "\f038",
  ambulance "\f0f9",
  ambulance "\f0f9",
  anchor "\f13d",
  android "\f17b",
  angellist "\f209",
  angle-double-down "\f103",
  angle-double-left "\f100",
  angle-double-right "\f101",
  angle-double-up "\f102",
  angle-down "\f107",
  angle-left "\f104",
  angle-right "\f105",
  angle-up "\f106",
  apple "\f179",
  archive "\f187",
  area-chart "\f1fe",
  arrow-circle-down "\f0ab",
  arrow-circle-left "\f0a8",
  arrow-circle-o-down "\f01a",
  arrow-circle-o-left "\f190",
  arrow-circle-o-right "\f18e",
  arrow-circle-o-up "\f01b",
  arrow-circle-right "\f0a9",
  arrow-circle-up "\f0aa",
  arrow-down "\f063",
  arrow-left "\f060",
  arrow-right "\f061",
  arrow-up "\f062",
  arrows "\f047",
  arrows-alt "\f0b2",
  arrows-h "\f07e",
  arrows-v "\f07d",
  asterisk "\f069",
  at "\f1fa",
  automobile "\f1b9",
  backward "\f04a",
  ban "\f05e",
  bank "\f19c",
  bar-chart "\f080",
  bar-chart-o "\f080",
  barcode "\f02a",
  bars "\f0c9",
  beer "\f0fc",
  behance "\f1b4",
  behance-square "\f1b5",
  bell "\f0f3",
  bell-o "\f0a2",
  bell-slash "\f1f6",
  bell-slash-o "\f1f7",
  bicycle "\f206",
  binoculars "\f1e5",
  birthday-cake "\f1fd",
  bitbucket "\f171",
  bitbucket-square "\f172",
  bitcoin "\f15a",
  bold "\f032",
  bolt "\f0e7",
  bomb "\f1e2",
  book "\f02d",
  bookmark "\f02e",
  bookmark-o "\f097",
  briefcase "\f0b1",
  btc "\f15a",
  bug "\f188",
  building "\f1ad",
  building-o "\f0f7",
  bullhorn "\f0a1",
  bullseye "\f140",
  bus "\f207",
  cab "\f1ba",
  calculator "\f1ec",
  calendar "\f073",
  calendar-o "\f133",
  camera "\f030",
  camera-retro "\f083",
  car "\f1b9",
  caret-down "\f0d7",
  caret-left "\f0d9",
  caret-right "\f0da",
  caret-square-o-down "\f150",
  caret-square-o-left "\f191",
  caret-square-o-right "\f152",
  caret-square-o-up "\f151",
  caret-up "\f0d8",
  cc "\f20a",
  cc-amex "\f1f3",
  cc-discover "\f1f2",
  cc-mastercard "\f1f1",
  cc-paypal "\f1f4",
  cc-stripe "\f1f5",
  cc-visa "\f1f0",
  certificate "\f0a3",
  chain "\f0c1",
  chain-broken "\f127",
  check "\f00c",
  check-circle "\f058",
  check-circle-o "\f05d",
  check-square "\f14a",
  check-square-o "\f046",
  chevron-circle-down "\f13a",
  chevron-circle-left "\f137",
  chevron-circle-right "\f138",
  chevron-circle-up "\f139",
  chevron-down "\f078",
  chevron-left "\f053",
  chevron-right "\f054",
  chevron-up "\f077",
  child "\f1ae",
  circle "\f111",
  circle-o "\f10c",
  circle-o-notch "\f1ce",
  circle-thin "\f1db",
  clipboard "\f0ea",
  clock-o "\f017",
  close "\f00d",
  cloud "\f0c2",
  cloud-download "\f0ed",
  cloud-upload "\f0ee",
  cny "\f157",
  code "\f121",
  code-fork "\f126",
  codepen "\f1cb",
  coffee "\f0f4",
  cog "\f013",
  cogs "\f085",
  columns "\f0db",
  comment "\f075",
  comment-o "\f0e5",
  comments "\f086",
  comments-o "\f0e6",
  compass "\f14e",
  compress "\f066",
  copy "\f0c5",
  copyright "\f1f9",
  credit-card "\f09d",
  crop "\f125",
  crosshairs "\f05b",
  css3 "\f13c",
  cube "\f1b2",
  cubes "\f1b3",
  cut "\f0c4",
  cutlery "\f0f5",
  dashboard "\f0e4",
  database "\f1c0",
  dedent "\f03b",
  delicious "\f1a5",
  desktop "\f108",
  deviantart "\f1bd",
  digg "\f1a6",
  dollar "\f155",
  dot-circle-o "\f192",
  download "\f019",
  dribbble "\f17d",
  dropbox "\f16b",
  drupal "\f1a9",
  edit "\f044",
  eject "\f052",
  ellipsis-h "\f141",
  ellipsis-v "\f142",
  empire "\f1d1",
  envelope "\f0e0",
  envelope-o "\f003",
  envelope-square "\f199",
  eraser "\f12d",
  eur "\f153",
  euro "\f153",
  exchange "\f0ec",
  exclamation "\f12a",
  exclamation-circle "\f06a",
  exclamation-triangle "\f071",
  expand "\f065",
  external-link "\f08e",
  external-link-square "\f14c",
  eye "\f06e",
  eye-slash "\f070",
  eyedropper "\f1fb",
  facebook "\f09a",
  facebook-square "\f082",
  fast-backward "\f049",
  fast-forward "\f050",
  fax "\f1ac",
  female "\f182",
  fighter-jet "\f0fb",
  file "\f15b",
  file-archive-o "\f1c6",
  file-audio-o "\f1c7",
  file-code-o "\f1c9",
  file-excel-o "\f1c3",
  file-image-o "\f1c5",
  file-movie-o "\f1c8",
  file-o "\f016",
  file-pdf-o "\f1c1",
  file-photo-o "\f1c5",
  file-picture-o "\f1c5",
  file-powerpoint-o "\f1c4",
  file-sound-o "\f1c7",
  file-text "\f15c",
  file-text-o "\f0f6",
  file-video-o "\f1c8",
  file-word-o "\f1c2",
  file-zip-o "\f1c6",
  files-o "\f0c5",
  film "\f008",
  filter "\f0b0",
  fire "\f06d",
  fire-extinguisher "\f134",
  flag "\f024",
  flag-checkered "\f11e",
  flag-o "\f11d",
  flash "\f0e7",
  flask "\f0c3",
  flickr "\f16e",
  floppy-o "\f0c7",
  folder "\f07b",
  folder-o "\f114",
  folder-open "\f07c",
  folder-open-o "\f115",
  font "\f031",
  forward "\f04e",
  foursquare "\f180",
  frown-o "\f119",
  futbol-o "\f1e3",
  gamepad "\f11b",
  gavel "\f0e3",
  gbp "\f154",
  ge "\f1d1",
  gear "\f013",
  gears "\f085",
  gift "\f06b",
  git "\f1d3",
  git-square "\f1d2",
  github "\f09b",
  github-alt "\f113",
  github-square "\f092",
  gittip "\f184",
  glass "\f000",
  globe "\f0ac",
  google "\f1a0",
  google-plus "\f0d5",
  google-plus-square "\f0d4",
  google-wallet "\f1ee",
  graduation-cap "\f19d",
  group "\f0c0",
  h-square "\f0fd",
  hacker-news "\f1d4",
  hand-o-down "\f0a7",
  hand-o-left "\f0a5",
  hand-o-right "\f0a4",
  hand-o-up "\f0a6",
  hdd-o "\f0a0",
  header "\f1dc",
  headphones "\f025",
  heart "\f004",
  heart-o "\f08a",
  history "\f1da",
  home "\f015",
  hospital-o "\f0f8",
  html5 "\f13b",
  ils "\f20b",
  image "\f03e",
  inbox "\f01c",
  indent "\f03c",
  info "\f129",
  info-circle "\f05a",
  inr "\f156",
  instagram "\f16d",
  institution "\f19c",
  ioxhost "\f208",
  italic "\f033",
  joomla "\f1aa",
  jpy "\f157",
  jsfiddle "\f1cc",
  key "\f084",
  keyboard-o "\f11c",
  krw "\f159",
  language "\f1ab",
  laptop "\f109",
  lastfm "\f202",
  lastfm-square "\f203",
  leaf "\f06c",
  legal "\f0e3",
  lemon-o "\f094",
  level-down "\f149",
  level-up "\f148",
  life-bouy "\f1cd",
  life-buoy "\f1cd",
  life-ring "\f1cd",
  life-saver "\f1cd",
  lightbulb-o "\f0eb",
  line-chart "\f201",
  link "\f0c1",
  linkedin "\f0e1",
  linkedin-square "\f08c",
  linux "\f17c",
  list "\f03a",
  list-alt "\f022",
  list-ol "\f0cb",
  list-ul "\f0ca",
  location-arrow "\f124",
  lock "\f023",
  long-arrow-down "\f175",
  long-arrow-left "\f177",
  long-arrow-right "\f178",
  long-arrow-up "\f176",
  magic "\f0d0",
  magnet "\f076",
  mail-forward "\f064",
  mail-reply "\f112",
  mail-reply-all "\f122",
  male "\f183",
  map-marker "\f041",
  maxcdn "\f136",
  meanpath "\f20c",
  medkit "\f0fa",
  meh-o "\f11a",
  microphone "\f130",
  microphone-slash "\f131",
  minus "\f068",
  minus-circle "\f056",
  minus-square "\f146",
  minus-square-o "\f147",
  mobile "\f10b",
  mobile-phone "\f10b",
  money "\f0d6",
  moon-o "\f186",
  mortar-board "\f19d",
  music "\f001",
  navicon "\f0c9",
  newspaper-o "\f1ea",
  openid "\f19b",
  outdent "\f03b",
  pagelines "\f18c",
  paint-brush "\f1fc",
  paper-plane "\f1d8",
  paper-plane-o "\f1d9",
  paperclip "\f0c6",
  paragraph "\f1dd",
  paste "\f0ea",
  pause "\f04c",
  paw "\f1b0",
  paypal "\f1ed",
  pencil "\f040",
  pencil-square "\f14b",
  pencil-square-o "\f044",
  phone "\f095",
  phone-square "\f098",
  photo "\f03e",
  picture-o "\f03e",
  pie-chart "\f200",
  pied-piper "\f1a7",
  pied-piper-alt "\f1a8",
  pinterest "\f0d2",
  pinterest-square "\f0d3",
  plane "\f072",
  play "\f04b",
  play-circle "\f144",
  play-circle-o "\f01d",
  plug "\f1e6",
  plus "\f067",
  plus-circle "\f055",
  plus-square "\f0fe",
  plus-square-o "\f196",
  power-off "\f011",
  print "\f02f",
  puzzle-piece "\f12e",
  qq "\f1d6",
  qrcode "\f029",
  question "\f128",
  question-circle "\f059",
  quote-left "\f10d",
  quote-right "\f10e",
  ra "\f1d0",
  random "\f074",
  rebel "\f1d0",
  recycle "\f1b8",
  reddit "\f1a1",
  reddit-square "\f1a2",
  refresh "\f021",
  remove "\f00d",
  renren "\f18b",
  reorder "\f0c9",
  repeat "\f01e",
  reply "\f112",
  reply-all "\f122",
  retweet "\f079",
  rmb "\f157",
  road "\f018",
  rocket "\f135",
  rotate-left "\f0e2",
  rotate-right "\f01e",
  rouble "\f158",
  rss "\f09e",
  rss-square "\f143",
  rub "\f158",
  ruble "\f158",
  rupee "\f156",
  save "\f0c7",
  scissors "\f0c4",
  search "\f002",
  search-minus "\f010",
  search-plus "\f00e",
  send "\f1d8",
  send-o "\f1d9",
  share "\f064",
  share-alt "\f1e0",
  share-alt-square "\f1e1",
  share-square "\f14d",
  share-square-o "\f045",
  shekel "\f20b",
  sheqel "\f20b",
  shield "\f132",
  shopping-cart "\f07a",
  sign-in "\f090",
  sign-out "\f08b",
  signal "\f012",
  sitemap "\f0e8",
  skype "\f17e",
  slack "\f198",
  sliders "\f1de",
  slideshare "\f1e7",
  smile-o "\f118",
  soccer-ball-o "\f1e3",
  sort "\f0dc",
  sort-alpha-asc "\f15d",
  sort-alpha-desc "\f15e",
  sort-amount-asc "\f160",
  sort-amount-desc "\f161",
  sort-asc "\f0de",
  sort-desc "\f0dd",
  sort-down "\f0dd",
  sort-numeric-asc "\f162",
  sort-numeric-desc "\f163",
  sort-up "\f0de",
  soundcloud "\f1be",
  space-shuttle "\f197",
  spinner "\f110",
  spoon "\f1b1",
  spotify "\f1bc",
  square "\f0c8",
  square-o "\f096",
  stack-exchange "\f18d",
  stack-overflow "\f16c",
  star "\f005",
  star-half "\f089",
  star-half-empty "\f123",
  star-half-full "\f123",
  star-half-o "\f123",
  star-o "\f006",
  steam "\f1b6",
  steam-square "\f1b7",
  step-backward "\f048",
  step-forward "\f051",
  stethoscope "\f0f1",
  stop "\f04d",
  strikethrough "\f0cc",
  stumbleupon "\f1a4",
  stumbleupon-circle "\f1a3",
  subscript "\f12c",
  suitcase "\f0f2",
  sun-o "\f185",
  superscript "\f12b",
  support "\f1cd",
  table "\f0ce",
  tablet "\f10a",
  tachometer "\f0e4",
  tag "\f02b",
  tags "\f02c",
  tasks "\f0ae",
  taxi "\f1ba",
  tencent-weibo "\f1d5",
  terminal "\f120",
  text-height "\f034",
  text-width "\f035",
  th "\f00a",
  th-large "\f009",
  th-list "\f00b",
  thumb-tack "\f08d",
  thumbs-down "\f165",
  thumbs-o-down "\f088",
  thumbs-o-up "\f087",
  thumbs-up "\f164",
  ticket "\f145",
  times "\f00d",
  times-circle "\f057",
  times-circle-o "\f05c",
  tint "\f043",
  toggle-down "\f150",
  toggle-left "\f191",
  toggle-off "\f204",
  toggle-on "\f205",
  toggle-right "\f152",
  toggle-up "\f151",
  trash "\f1f8",
  trash-o "\f014",
  tree "\f1bb",
  trello "\f181",
  trophy "\f091",
  truck "\f0d1",
  try "\f195",
  tty "\f1e4",
  tumblr "\f173",
  tumblr-square "\f174",
  turkish-lira "\f195",
  twitch "\f1e8",
  twitter "\f099",
  twitter-square "\f081",
  umbrella "\f0e9",
  underline "\f0cd",
  undo "\f0e2",
  university "\f19c",
  unlink "\f127",
  unlock "\f09c",
  unlock-alt "\f13e",
  unsorted "\f0dc",
  upload "\f093",
  usd "\f155",
  user "\f007",
  user-md "\f0f0",
  users "\f0c0",
  video-camera "\f03d",
  vimeo-square "\f194",
  vine "\f1ca",
  vk "\f189",
  volume-down "\f027",
  volume-off "\f026",
  volume-up "\f028",
  warning "\f071",
  wechat "\f1d7",
  weibo "\f18a",
  weixin "\f1d7",
  wheelchair "\f193",
  wifi "\f1eb",
  windows "\f17a",
  won "\f159",
  wordpress "\f19a",
  wrench "\f0ad",
  xing "\f168",
  xing-square "\f169",
  yahoo "\f19e",
  yelp "\f1e9",
  yen "\f157",
  youtube "\f167",
  youtube-play "\f16a",
  youtube-square "\f166"
);

@each $fa-var in $fa-vars {
  $key: nth($fa-var, 1);
  $content: nth($fa-var, 2);
  
  .#{$fa-css-prefix}-#{$key}:before { 
    content: $content !important;
    @extend %fontawesomeIcon;
  }
}