Haskell: Boolean types

The Bool data type has only two possible values: True and False.

variable.hs

-- Booleans
flag1, flag2 :: Bool
flag1 = True
flag2 = False

*Main> :load variable.hs
[1 of 1] Compiling Main             ( variable.hs, interpreted )
Ok, modules loaded: Main.
*Main> 
*Main> flag1
True
*Main> 
*Main> flag2
False

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