This script shows some of the built-in operators provided by Hugs.

Note that only text between > and -- is read by the Hugs interpreter.

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Ints

> result1 = 4^2 + 3 * 2 -- = 22
> result2 = result1 `mod` 3 -- = 1
> result3 = -result1 `div` 2 >= 4 -- = False

Note: Hugs seems to have two distinct integer types: Int and Integer

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Bools

> result4 = True && False || not False -- = True

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Chars

> isDigit ch = ('0' <= ch) && (ch <= '9')
> newline = '\n'

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Strings

> batman = "bat" ++ "man"

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Floats

> e = exp 1
> result5 = e**pi -- = 23.1407
> result6 = pi + e * result5 / 4.3 -- = 17.7702
> result7 = acos(cos(pi)) -- = 3.14159