Decimal to hexadecimal - font icon map loop

core-icons.scss

// ----
// libsass (v3.2.5)
// ----

@function dec-to-hex($d) {
    $hexVals: "A" "B" "C" "D" "E" "F";
    $base: 16;
    $quotient: $d;
    $result: "";
    @if $d == 0 {
        $result: "00";
    }
    @while $quotient != 0 {
        $mod: $quotient % $base;
        $quotient: floor($quotient / $base);
        @if $mod > 9 {
            $mod: nth($hexVals, $mod - 9);
        }
        @if $d < $base {
            $result: "0" + $mod;
        } @else {
            $result: $mod + $result;
        }
    }

    @return #{"\"\\"}#{$result + "\""};
}

// Variables
$icon-css-prefix: 'icon';

.#{$icon-css-prefix} {
  display: inline-block;
  font: normal normal normal 16px/1 'untitledregular'; // shortening font declaration
  font-size: inherit; // can't have font-size inherit on line above, so need to override
  text-rendering: auto; // optimizelegibility throws things off #1094
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

$icons: (
  facebook: 5824,
  twitter: 58246,
  youtube: 58247,
  instagram: 5824,
  google: 5825,
  pinterest: 5824,
  subscription: 57664,
  internet: 57926, 
  social: 57924,
  list: 58136,
  heart: 57608,
  video-play: 58144,
  profile: 57601,
  mikey: 57408,
  stories: 57479
);

@each $iconName, $icon in $icons {
  .#{$icon-css-prefix}-#{$iconName}:before {
    content: dec-to-hex($icon);
  }
}

icons.css

.icon {
  display: inline-block;
  font: normal normal normal 16px/1 "untitledregular";
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-facebook:before {
  content: "\16C0";
}

.icon-twitter:before {
  content: "\E386";
}

.icon-youtube:before {
  content: "\E387";
}

.icon-instagram:before {
  content: "\16C0";
}

.icon-google:before {
  content: "\16C1";
}

.icon-pinterest:before {
  content: "\16C0";
}

.icon-subscription:before {
  content: "\E140";
}

.icon-internet:before {
  content: "\E246";
}

.icon-social:before {
  content: "\E244";
}

.icon-list:before {
  content: "\E318";
}

.icon-heart:before {
  content: "\E108";
}

.icon-video-play:before {
  content: "\E320";
}

.icon-profile:before {
  content: "\E101";
}

.icon-mikey:before {
  content: "\E040";
}

.icon-stories:before {
  content: "\E087";
}