Info on Sass lists

sass-lists.scss

// ----
// Sass (v3.3.0.rc.2)
// Compass (v1.0.0.alpha.17)
// ----

// determine list seperator: spaces or commas

$a-list: a b c d e;
$another-list: 1,2,3,4,5;

div {
  a-list: list-separator($a-list);
  another-list: list-separator($another-list);
}
//using "list-seperator" is useful for
//testing which type of list was used (say, in a mixin for example)


//set-nth returns a list($listYourAffecting, positionInList, whatToReplaceItWith) )
$a-third-list: set-nth($a-list, 5, f);
.thirdListClass{
  a-third-list: $a-third-list;
  // "f" is appended in the fifth postion of the original $a-list list
}


//use negative numbers for list placement to go from last item backward

.negativeClass{
  test: nth($a-list, -3);
}