Re: [Ocaml-lib-devel] Base 64 encode/decode

[Brian H. <bh...@sp...>]

On Fri, 9 Apr 2004, Nicolas Cannasse wrote:

A couple of questions:

> external unsafe_char_of_int : int -> char = "%identity"

Is this really any faster than using the pervasives char_of_int?

> let inv_chars =
>  let a = Array.make 256 (-1) in
>  for i = 0 to 63 do
>   Array.unsafe_set a (int_of_char (Array.unsafe_get chars i)) i;

Likewise- especially since this code will be executed only once (on module 
load), is unsafe_set worthwhile to call?

>   let c = int_of_char (String.unsafe_get s i) in

Ditto & etc.

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Brian