? let vec_len vec = vec |> map (fun x -> x ** 2.) |> sum Or even let square x = x ** 2. let vec_len vec = vec |> map square |> sum Honestly, if

? let vec_len vec = vec |> map (fun x -> x ** 2.) |> sum Or even let square x = x ** 2. let vec_len vec = vec |> map square |> sum Honestly, if code like this is the biggest nitpick, I have a hard time taking the argument seriously.