///Tests whether `$list` is not empty.
///@ignore Documentation: http://sassylists.com/documentation.html#sl-has-values
///@param {List} $list - list to run test against
///@example 
///		sl-has-values(a)
///		// true
///@example 
///		sl-has-values(())
///		// false
///
///@return {Bool}
 
@function sl-has-values($list) {
  @return length($list) > 0;
}