func = (first, second, rest...) -> rest.join ' ' result = func 1, 2, 3, 4, 5 ok result is "3 4 5" gold = silver = bronze = theField = last = null medalists = (first, second, third, rest..., unlucky) -> gold = first silver = second bronze = third theField = rest.concat([last]) last = unlucky contenders = [ "Michael Phelps" "Liu Xiang" "Yao Ming" "Allyson Felix" "Shawn Johnson" "Roman Sebrle" "Guo Jingjing" "Tyson Gay" "Asafa Powell" "Usain Bolt" ] medalists "Mighty Mouse", contenders... ok gold is "Mighty Mouse" ok silver is "Michael Phelps" ok bronze is "Liu Xiang" ok last is "Usain Bolt" ok theField.length is 8 contenders.reverse() medalists contenders[0...2]..., "Mighty Mouse", contenders[2...contenders.length]... ok gold is "Usain Bolt" ok silver is "Asafa Powell" ok bronze is "Mighty Mouse" ok last is "Michael Phelps" ok theField.length is 8 medalists contenders..., 'Tim', 'Moe', 'Jim' ok last is 'Jim' obj = name: 'moe' accessor: (args...) -> [@name].concat(args).join(' ') getNames: -> args = ['jane', 'ted'] @accessor(args...) index: 0 0: {method: -> this is obj[0]} ok obj.getNames() is 'moe jane ted' ok obj[obj.index++].method([]...), 'should cache base value' crowd = [ contenders... "Mighty Mouse" ] bests = [ "Mighty Mouse" contenders[0..3]... ] ok crowd[0] is contenders[0] ok crowd[10] is "Mighty Mouse" ok bests[1] is contenders[0] ok bests[4] is contenders[3] # Finally, splats with super() within classes. class Parent meth: (args...) -> args class Child extends Parent meth: -> nums = [3, 2, 1] super nums... ok (new Child).meth().join(' ') is '3 2 1' # Functions with splats being called with too few arguments. pen = null method = (first, variable..., penultimate, ultimate) -> pen = penultimate method 1, 2, 3, 4, 5, 6, 7, 8, 9 ok pen is 8 method 1, 2, 3 ok pen is 2 method 1, 2 ok pen is 2 # Array splat expansions with assigns. nums = [1, 2, 3] list = [a = 0, nums..., b = 4] ok a is 0 ok b is 4 ok list.join(' ') is '0 1 2 3 4' # Splat on a line by itself is invalid. failed = true try CoffeeScript.compile "x 'a'\n...\n" failed = false catch err ok failed