What's new in arc3?
Computer history, restoring vintage computers, IC reverse engineering, and whatever The long-awaited new update of Arc (arc3) has been made available. I've examined the release to determine what's new in arc3 beyond the mysterious new logo: . arc3 is a major change from arc2, with about 3000 lines and most files changed. The following gratuitous pie chart illustrates that the largest number of cha
The Y Combinator in Arc and Java
Computer history, restoring vintage computers, IC reverse engineering, and whatever I was recently reading The Little Schemer, a very intersting book about how to think in Scheme. The book uses a unique question-response style to present simple concepts such as cons and recursion, as well as complex concepts such as using lambda functions to build arithmetic out of fundamental axioms, and deriving
Why your favorite language is unpopular
Computer history, restoring vintage computers, IC reverse engineering, and whatever The total world's population of Haskell programmers fits in a 747. And if that goes down, nobody would even notice. -- Erik Meijer I recently saw an interesting talk on functional programming by Erik Meijer (of Bananas, Lenses, Envelopes, and Barbed Wire fame). Among other things, he discussed why many superior tec
Why Arc is good for video games
Computer history, restoring vintage computers, IC reverse engineering, and whatever Can Arc be used to create a Tetris-like game? In my previous posting on using OpenGL with Arc, I described how the effort to set up OpenGL had stalled my game-writing adventure. I finally got the game written, only to discover that Conan Dalton had beat me by writing Arc Tetris running on Rainbow, his version of Ar
Idioms for programming in Arc
Computer history, restoring vintage computers, IC reverse engineering, and whatever The code that implements Arc illustrates many useful programming techniques. Some of the techniques occur multiple times, and can be considered idioms of Arc programming; techniques that can be applied to many problems. This article describes some of the most common idioms, and how they can be used in Arc programmi
Many Arc compilers and interpreters
Computer history, restoring vintage computers, IC reverse engineering, and whatever The introduction of the Arc language has spawned a mini-boom of Arc compilers and interpreters implemented in everything from JavaScript to .NET. Because Arc is a fairly simple Lisp dialect, it is relatively straightforward to implement, and many people are using it to learn about compiler and interpreter design, a
Ajax and Arc
Computer history, restoring vintage computers, IC reverse engineering, and whatever Ajax is surprisingly easy to use with the Arc language. This article shows how to implement Ajax-based autocompletion and dynamic page updates using the script.aculo.us and Prototype JavaScript frameworks. These frameworks allow Ajax applications to be implemented with just a few lines of additional code. The hard
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