num = 10 result = switch num when 5 then false when 'a' true true false when 10 then true # Mid-switch comment with whitespace # and multi line when 11 then false else false ok result func = (num) -> switch num when 2, 4, 6 true when 1, 3, 5 false ok func(2) ok func(6) ok !func(3) eq func(8), undefined # Ensure that trailing switch elses don't get rewritten. result = false switch "word" when "one thing" doSomething() else result = true unless false ok result result = false switch "word" when "one thing" doSomething() when "other thing" doSomething() else result = true unless false ok result # Should be able to handle switches sans-condition. result = switch when null then 0 when !1 then 1 when '' not of {''} then 2 when [] not instanceof Array then 3 when true is false then 4 when 'x' < 'y' > 'z' then 5 when 'a' in ['b', 'c'] then 6 when 'd' in (['e', 'f']) then 7 else ok eq result, ok # Should be able to use "@properties" within the switch clause. obj = { num: 101 func: -> switch @num when 101 then '101!' else 'other' } ok obj.func() is '101!' # Should be able to use "@properties" within the switch cases. obj = { num: 101 func: (yesOrNo) -> result = switch yesOrNo when yes then @num else 'other' result } ok obj.func(yes) is 101