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dharasim/fibs.jl

Created August 13, 2018 09:15
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Fibs iterator in Julia v1.0
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fibs.jl
using Base.Iterators: take
import Base: iterate, IteratorSize, eltype
struct Fibs end
iterate(::Fibs, (i, j) = (1, 1)) = i, (j, i+j)
IteratorSize(::Type{Fibs}) = Base.IsInfinite()
eltype(::Type{Fibs}) = Int
# collect the first ten fibs in an array
collect(take(Fibs(), 10))
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