Data commit

Task/Call-a-function/Cubescript/call-a-function.cube

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+// No arguments
+myfunction
+
+// All functions can take a variable number of arguments.
+// These can be accessed from within the function with the aliases:
+// $arg1, $arg2, $arg3... $numargs tells the amount of args passed.
+myfunction word "text string" 1 3.14
+
+// Getting a function's return value
+retval = (myfunction)
+
+// Trying to do a variable lookup on a builtin function will return an empty
+// string. This can be used to distinguish builtin functions from user-defined
+// ones.
+if (strcmp $echo "") [echo builtin function]          // true
+if (strcmp $myfunction "") [echo builtin function]    // false