pnts · June 17, 2014 00:16 · Jun 17, 2014
diff --git a/SassMeister-input.scss b/SassMeister-input.scss
@@ -0,0 +1,87 @@
+// ----
+// Sass (v3.3.8)
+// Compass (v1.0.0.alpha.19)
+// ----
+
+// Trying to figure out the best solution 
+// to instanciate a comma-separated empty list
+// ---
+// So far: `zip(())`
+// ---
+
+// Arglist version
+// ---
+// @pro: works in Sass 3.2.19
+// ---
+// @con: defines `$args` but needs to be called with no arg
+// @con: can't be used as a one-liner, without the function
+// @con: returns an arglist
+// ---
+@function comma-list-arglist($args...) {
+  @return $args
+}
+
+// Join version
+// ---
+@function comma-list-join() {
+  @return join((), (), comma)
+}
+
+// Append version
+// ---
+// @con: add an empty value to list, increasing length from 1
+// ---
+@function comma-list-append() {
+  @return append((), (), comma)
+}
+
+// Zip version
+// ---
+// @pro: is very short
+// @pro: works in Sass 3.2.19
+// ---
+@function comma-list-zip() {
+  @return zip(())
+}
+
+// Comma version
+// ---
+// @con: doesn't work in Sass 3.2.19
+// @con: add an empty value to list, increasing length from 1
+// ---
+@function comma-list-trailing-comma() {
+  @return (),
+}
+
+// Describe test
+// ---
+@mixin test($function) {
+  // Instanciate new list
+  $new-list: if($function == "regular-list", (), call($function));
+  $list: $new-list;
+  
+  // Fill
+  $list: append($list, alpha);
+  $list: append($list, beta);
+  $list: append($list, gamma);
+  
+  // Dump data
+  method: unquote($function);
+  output: $list;
+  length: length($list);
+  type-when-empty: type-of($new-list);
+  type-when-full: type-of($list);
+  separator: list-separator($list);
+  /**/
+}
+
+// Run test
+// ---
+regular-list {
+  @include test("regular-list");
+  @include test("comma-list-zip");
+  @include test("comma-list-join");
+  @include test("comma-list-arglist");
+  @include test("comma-list-append");
+  @include test("comma-list-trailing-comma");
+}
diff --git a/SassMeister-output.css b/SassMeister-output.css
@@ -0,0 +1,44 @@
+regular-list {
+  method: regular-list;
+  output: alpha beta gamma;
+  length: 3;
+  type-when-empty: list;
+  type-when-full: list;
+  separator: space;
+  /**/
+  method: comma-list-zip;
+  output: alpha, beta, gamma;
+  length: 3;
+  type-when-empty: list;
+  type-when-full: list;
+  separator: comma;
+  /**/
+  method: comma-list-join;
+  output: alpha, beta, gamma;
+  length: 3;
+  type-when-empty: list;
+  type-when-full: list;
+  separator: comma;
+  /**/
+  method: comma-list-arglist;
+  output: alpha, beta, gamma;
+  length: 3;
+  type-when-empty: arglist;
+  type-when-full: list;
+  separator: comma;
+  /**/
+  method: comma-list-append;
+  output: alpha, beta, gamma;
+  length: 4;
+  type-when-empty: list;
+  type-when-full: list;
+  separator: comma;
+  /**/
+  method: comma-list-trailing-comma;
+  output: alpha, beta, gamma;
+  length: 4;
+  type-when-empty: list;
+  type-when-full: list;
+  separator: comma;
+  /**/
+}