--- /dev/null
+@charset "UTF-8";
+
+/// Append pseudo-classes to a selector(s).
+///
+/// @argument {list | string} $inputs
+/// A selector, or list of selectors, to apply the pseudo-class to.
+///
+/// @argument {pseudo-class} $pseudo [null]
+/// The pseudo-class to be appended.
+///
+/// @return {list}
+///
+/// @access private
+
+@function _assign-inputs(
+ $inputs,
+ $pseudo: null
+) {
+ $list: ();
+
+ @each $input in $inputs {
+ $input: unquote($input);
+ $input: if($pseudo, $input + ":" + $pseudo, $input);
+ $list: append($list, $input, comma);
+ }
+
+ @return $list;
+}