rizo

"Church-encoded" lists and their interesting properties
===

*This is a literate Haskell program which you can run in ghci.*
*Also, I already corrected a glaring problem. Let us speak no more of it.*

One of the beautiful things about computer science is that, fundamentally,
**data is code** and **code is data**. But what does that mean? And how is it
useful?

rizo

{- * Foundational functions -}

id :: a -> a
id x = x

const :: a -> b -> a
const x y = x

fix :: (a -> a) -> a
fix f = f (fix f)

rizo

Increase key repeat rate on macOS

Settings: System Preferences » Keyboard » Key Repeat/Delay Until Repeat

Use the commands below to increase the key repeat rate on macOS beyond the possible settings via the user interface. The changes aren't applied until you restart your computer.

Source: https://apple.stackexchange.com/a/83923

rizo

open Core_kernel

module Ast = struct
  type ident = string [@@deriving compare, hash, sexp]

  type t =
    | Var of ident
    | Int of int
    | Let of ident * t * t
    | App of ident * t list

rizo

/* Heap based virtual machine described in section 3.4 of Three Implementation Models for Scheme, Dybvig
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>

char token[128][32];