///
/// Returns whether `$list` contains `$value`.
///
/// @ignore Documentation: http://at-import.github.io/SassyLists/documentation/#function-sl-contain
///
/// @param {List}    $list  - list to check
/// @param {*}       $value - value to look for
///
/// @example
/// sl-contain(a b c, a)
/// // true
///
/// @example
/// sl-contain(a b c, z)
/// // false
///
/// @return {Bool}
///

@function sl-contain($list, $value) {
  @return not not index($list, $value);
}

///
/// @requires sl-contain
/// @alias sl-contain
///
 
@function sl-include($list, $value) {
  @return sl-contain($list, $value);
}