SCSS: helper for font-face

font_face_helper.css.scss

@each $font-face in
  "MyFont-Regular",
  "MyFont-Bold",
  "MyFont-Medium" {
    @font-face {
      font-family: $font-face;
      font-style: normal; font-weight: normal;
      src: font-url('#{$font-face}.eot');
      src: font-url('#{$font-face}.eot?#iefix') format('embedded-opentype'),
           font-url('#{$font-face}.woff') format('woff'),
           font-url('#{$font-face}.ttf')  format('truetype'),
           font-url('#{$font-face}.svg##{$font-face}')  format('svg');
    }
}