@mixin radius($r,$d:null ,$important: false) {
  $radius-value: map-get($uni-radius, $r) if($important, !important, null);
  // Key exists within the $uni-radius variable
  @if (map-has-key($uni-radius, $r) and  $d) {
    @if $d == t {
      border-top-left-radius: $radius-value;
      border-top-right-radius: $radius-value;
    } @else if $d == r {
      border-top-right-radius: $radius-value;
      border-bottom-right-radius: $radius-value;
    } @else if $d == b {
      border-bottom-left-radius: $radius-value;
      border-bottom-right-radius: $radius-value;
    } @else if $d == l {
      border-top-left-radius: $radius-value;
      border-bottom-left-radius: $radius-value;
    } @else if $d == tl {
      border-top-left-radius: $radius-value;
    } @else if $d == tr {
      border-top-right-radius: $radius-value;
    } @else if $d == br {
      border-bottom-right-radius: $radius-value;
    } @else if $d == bl {
      border-bottom-left-radius: $radius-value;
    }
  } @else {
    border-radius: $radius-value;
  }
}

@each $key, $child in $uni-radius {
  @if ($key) {
    .uni-radius-#{"" + $key} {
      @include radius($key)
    }
  } @else {
    .uni-radius {
      @include radius($key)
    }
  }
}

@each $direction in t, r, b, l, tl, tr, br, bl {
  @each $key, $child in $uni-radius {
    @if ($key) {
      .uni-radius-#{"" + $direction}-#{"" + $key} {
        @include radius($key, $direction, false)
      }
    } @else {
      .uni-radius-#{$direction} {
        @include radius($key, $direction, false)
      }
    }
  }
}