js__coffeescript__codeschool/lib/3-2-operators.js.map

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    "###\n\nOperators\n---------\n\n  CoffeScript           JavaScript\n  == is                 ===\n  != isnt               !==\n  not                   !\n  and                   &&\n  or                    ||\n  true yes on           true\n  false no off          false\n\n###\n\npaid = coffee = pour = ->\n\nif paid() and coffee() is on then pour()\n\naddCaffeine = Decaf = ->\n\naddCaffeine() if not Decaf()\naddCaffeine() unless Decaf()\n\n# Combined range checks\nlevel = 4\nif 2 < level < 5\n  alert \"In range\"\n\n# Functional switch.\nmessage = switch cupsOfCoffee\n  when 0 then 'Asleep'\n  when 1 then 'Eyes open'\n  when 2 then 'Buzzed'\n  else 'Dangerous'\n\n# Existential check: not undefined and not null.\nif cupsOfCoffee?\n  alert('Exists')\nalert 'Exists' if cupsOfCoffee?\n\n# Not strictly identical to the two shorter forms below.\nif not cupsOfCoffee?\n  cupsOfCoffee = 0\n\ncupsOfCoffee = 0 unless cupsOfCoffee?\ncupsOfCoffee ?= 0\n\ncoffeePot?.brew()\n\n# Like Ruby \"try\"\nvehicle.start_engine?().shift_gear?().crank?().press_gas?()\n"
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