Merge pull request #51 from elderhsouza/patch-4

refactor curry to account for variadic functions

snippets/curry.md

@@ -3,10 +3,18 @@
 Use recursion.
 If the number of provided arguments (`args`) is sufficient, call the passed function `f`.
 Otherwise return a curried function `f` that expects the rest of the arguments.
+If you want to curry a function that accepts a variable number of arguments (variadic function) like Math.min for example, you can optionally pass the number of arguments to the second parameter arity.
 
 ```js
-const curry = f =>
+const curry = (f, arity = f.length, next) => 
-  (...args) =>
+  (next = prevArgs => 
-    args.length >= f.length ? f(...args) : (...otherArgs) => curry(f)(...args, ...otherArgs);
+    nextArg => {
+      const args = [ ...prevArgs, nextArg ]
+      return args.length >= arity 
+        ? f(...args)
+        : next(args);
+    }
+  )([]);
 // curry(Math.pow)(2)(10) -> 1024
+// curry(Math.min, 3)(10)(50)(2) -> 2
 ```