Create an org heading builder

src/utils/fp.nim

@@ -2,6 +2,12 @@ import std/sugar
 import fp/maybe
 import results
 
+func last*[T](xs: seq[T]): Maybe[T] =
+  if xs.len == 0:
+     nothing(T)
+  else:
+    just(xs[^1])
+
 template isSome*(self: Result): bool = self.isOk()
 template isNone*(self: Result): bool = self.isErr()
 
@@ -26,3 +32,6 @@ when isMainModule:
   echo @[
   (x: int) => (if x == 2: Just("foo") else: Nothing[string]()),
   ].findMaybeFn(2)
+
+  assert last(@[1,2,3]) == just(3)
+  assert last[int](@[]) == nothing(int)