stylesheets/_functions.scss in rapido-css-0.0.3 vs stylesheets/_functions.scss in rapido-css-0.0.4

@@ -1,8 +1,18 @@
+/* ====================================================================================================================
 
-// Conversione da Easing da Transform a Transition
-// ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
+Functions
+
+For 99% of the framework I used Compass' and Susy's functions but I've made some for covering edge cases.
+
+Styleguide 24
+
+==================================================================================================================== */
+
+// Convert Easing from Transform to Transition
+// --------------------------------------------------------------------------------------------------------------------
+
 @function toBezier($easing) {
 
 	@if 	$easing == linear         { @return linear; }
 	@elseif $easing == ease           { @return ease; }
 	@elseif $easing == ease-in        { @return ease-in; }
@@ -38,13 +48,66 @@
 	@else 							  { @return null; }
 
 }
 
 
-// ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
+/* --------------------------------------------------------------------------------------------------------------------
+
+neg()
+
+Convert a value to negative.
+
+Example:
+
+	left: neg(10em);
+
+Become:
+
+	left: -10em
+
+Styleguide 24.2
+
+-------------------------------------------------------------------------------------------------------------------- */
+
+@function neg($n) {
+	@return (0 - $n);
+}
+
+/* --------------------------------------------------------------------------------------------------------------------
+
+rhythm_neg()
+
+Create a negative `rhythm()` value. More info about the rhythm function: [
+Vertical Rhythm](http://compass-style.org/reference/compass/typography/vertical_rhythm/#function-rhythm).
+
+Example:
+
+	margin-left: rhythm_neg(1);
+
+Become:
+
+	margin-left: -1.42857em;
+
+Styleguide 24.3
+
+-------------------------------------------------------------------------------------------------------------------- */
+
 @function rhythm_neg($i: 1) {
 	@return -(rhythm($i));
 }
 
+
+/* --------------------------------------------------------------------------------------------------------------------
+
+space_neg()
+
+Similar to `rhythm_neg()` but for Susy's `space()` function, more info:
+[Susy Reference](http://susy.oddbird.net/guides/reference/#ref-space).
+
+Styleguide 24.4
+
+-------------------------------------------------------------------------------------------------------------------- */
+
 @function space_neg($w: 1, $c: 12) {
 	@return -(space($w, $c));
-}
\ No newline at end of file
+}
+