examples/fact.fco


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# Factorial of a number
def fact(n acc)
    if =(n 1)
        acc
    else
        # tagging a tail call with "@" so it can be optimized
        @fact(-(n 1) *(acc n))
    end
end

def main()
    display("Running fact(50)...")
    display(fact(50. 1))
end