From 667253f48d20f76aff54f7ce9464b13c169ad96e Mon Sep 17 00:00:00 2001
From: j-james
Date: Mon, 14 Nov 2022 23:55:42 -0800
Subject: Add cursed Fibonacci implementations

---
 fib/nim/fib.nim | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 fib/nim/fib.nim

(limited to 'fib/nim')

diff --git a/fib/nim/fib.nim b/fib/nim/fib.nim
new file mode 100644
index 0000000..fc193f6
--- /dev/null
+++ b/fib/nim/fib.nim
@@ -0,0 +1,16 @@
+func fib(n: Natural): Natural =
+  if n < 2:
+    return n
+  else:
+    return fib(n-1) + fib(n-2)
+
+func fib2(n: int, a = 0, b = 1): int =
+  return if n == 0: a else: fib2(n-1, b, a+b)
+
+iterator fib3: int =
+  var a = 0
+  var b = 1
+  while true:
+    yield a
+    swap a, b
+    b += a
-- 
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