/// Checks if a list contains a value.
///
/// @param {List} $list - The list to search in.
/// @param {*} $value - The value to look for.
/// @return {Bool} - The truthiness of the value's existence in the list.
@function anthology-list-contains($list, $value)
{
  @return index($list, $value) != null;
}

/// Removes a value from a list.
///
/// @param {List} $list - The list to remove values from.
/// @param {*} $value - The value to remove.
/// @return {List} - The newly formed list.
@function anthology-list-remove($list, $value)
{

  $result: ();

  @for $i from 1 through length($list)
  {

    @if nth($list, $i) != $value
    {
      $result: append($result, nth($list, $i));
    }

  }

  @return $result;

}