RosettaCodeData/Task/Fibonacci-sequence/Purity/fibonacci-sequence-2.purity
Ingy döt Net d066446780 langs a-z
2013-04-10 22:43:41 -07:00

2 lines
114 B
Text

type (Stream A?,,,Unfold) = gfix X. A? . X?
data Fib2 = Unfold ((outl, (uncurry Add, outl))) ((curry id) One One)