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wheresalice/fib.io

Created May 3, 2011 12:01
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Fibonacci series in Io language
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fib.io
#!/usr/bin/env io
fib := method(
a := 0
b := 1
for(i, 1, doMessage(call message argAt(0)) - 1, c := a + b; a := b; b := c)
)
fib(10) println
@kennym
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kennym commented Jul 30, 2011

This is very clever, if you compare it with the other algorithm here: http://www.bennadel.com/blog/2066-Seven-Languages-In-Seven-Weeks-Io-Day-2.htm

@MrRabbit0o0
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Thank you for your answer. It helps me a lot.:)

@zobnin
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zobnin commented Feb 26, 2024

More readable version:

fib := method(arg, 
    a := 0
    b := 1
    for(i, 1, arg - 1, 
        tmp := a + b
        a := b
        b := tmp
    )
)

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