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November 16th, 2008


03:49 pm - Defining "Less Than"

Sudden changes of opinion are funny.

Everyone knows that more information can change your mind, but when it happens all at once it's like opening a door that doesn't lead where you expected.
read more . . .  )
Current Mood: [mood icon] amused

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September 4th, 2007


10:42 am - R6RS Ratified

The nice thing about standards is that you have so many to choose from.

-- Andrew S. Tanenbaum

They were a little late announcing it, and I'm a little late saying anything about it, but r6rs has been ratified.
read more . . .  )
Current Mood: [mood icon] gloomy

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August 12th, 2007


03:40 pm - Why I Voted No

Today I sent in my ballot on r6rs ratification. I voted no, and decided to also post the explanation required on the ballot here. Rather than simply copy and paste in the S-expression ballot, I edited this into a format better suited to a website. I also changed the mailing list links to point to the specific message rather than the whole thread. The words are the same:
read more . . .  )
Current Mood: [mood icon] numb

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July 28th, 2007


08:37 am - I'm a Member of the R6RS Electorate

I've been knocked out by a flu the past few days, and one of the emails that piled up was a notice that I'm a member of the R6RS electorate, voting on whether to ratify the current draft of a new Scheme standard.
read more . . .  )
Current Mood: [mood icon] surprised

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May 27th, 2007


08:53 pm - R6RS Ratification Registration

I just sent in a registration form for voting on R6RS ratification, which is somewhat controversial. The form itself is in R5RS Scheme, which is kind of neat: read more . . .  )
Current Mood: [mood icon] hopeful

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May 8th, 2007


08:58 pm - Functional Sorting in Scheme with Pairing Heaps

As part of learning the language, I was looking for a way to implement sorting in Scheme. I wanted something:

  • Easy to implement in Scheme, preferably in a functional style
  • Somewhat lazy, so I could skip a lot of the processing if I only wanted the first few items
  • Reasonably fast

I found pairing heaps. more . . .  )
Current Mood: [mood icon] pleased

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March 3rd, 2007


02:05 pm - An Alternative Scheme Style

Lisp comes with a standard indentation style. There are minor differences between the different dialects, but there's a basic "Lisp style" that's the same. Using something else is considered anathema, silly, or ignorant.

Well, get ready for some heresy in Scheme: Read more )
Current Mood: [mood icon] mischievous

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