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March 30, 2021 13:33
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Fibonacci (the fast way) in MSDscript
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| _let pair = _fun (a) _fun (b) | |
| _fun(sel) | |
| _if sel _then a _else b | |
| _in _let fst = _fun (p) p(_true) | |
| _in _let snd = _fun (p) p(_false) | |
| _in _let fib = _fun (fib) | |
| _fun (x) | |
| _if x == 0 | |
| _then pair(1)(1) | |
| _else _if x == 1 | |
| _then pair(1)(1) | |
| _else _let p = fib(fib)(x + -1) | |
| _in pair(fst(p) + snd(p))(fst(p)) | |
| _in fst(fib(fib)(30)) |
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