Solved project euler 3

[sandbox] / euler / elixir / 0002-sum-of-fibonacci.exs

diff --git a/euler/elixir/0002-sum-of-fibonacci.exs b/euler/elixir/0002-sum-of-fibonacci.exs
deleted file mode 100644 (file)
index 350ef01..0000000
--- a/euler/elixir/0002-sum-of-fibonacci.exs
+++ /dev/null
@@ -1,20 +0,0 @@
-defmodule SumOfEvenFibonacci do
-  def fibonacci_stream() do
-    items_with_prev = Stream.iterate({0,1}, fn({prev, curr}) -> {curr, prev + curr} end)
-    Stream.map(items_with_prev, fn({_, curr}) -> curr end)
-  end
-
-  def fibonacci_to(limit) do
-    Stream.take_while(fibonacci_stream(), fn(n) -> n < limit end)
-  end
-
-  def filter_even(stream) do
-    Stream.filter(stream, fn(n) -> rem(n, 2) == 0 end)
-  end
-
-  def even_fibonacci_to(limit) do
-    filter_even(fibonacci_to(limit))
-  end
-end
-
-IO.inspect(Enum.sum(SumOfEvenFibonacci.even_fibonacci_to(4_000_000)))