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Re: Of cars and mice [was: Easy to add with push but not to the end of a


From: Emanuel Berg
Subject: Re: Of cars and mice [was: Easy to add with push but not to the end of a list]
Date: Wed, 30 Nov 2022 02:17:28 +0100
User-agent: Gnus/5.13 (Gnus v5.13)

tomas wrote:

>> While this would be feasible for these two functions, it
>> wouldn't work for "caddr" and ilk :-)
>
> But, but... imagine car-rac-rac-rac (yes, with hyphens!).
> The sound!

What does that mean?

>> I faintly remember discussions back in the early seventies
>> to replace "car" and "cdr" (which originally stood for
>> "Contents of Address Regis- ter" and "Contents of Decrement
>> Register", respectively, and referred to machine
>> instructions on some then modern PDP hardware which were
>> used to access the two pointers of a cons)
>
> IBM 704, but we disgress badly.

IBM 704 1954 first mass-produced computer for floating-point arithmetic

> Pity. Now where are the mice? ;-)

???

https://dataswamp.org/~incal/COMP-HIST

-- 
underground experts united
https://dataswamp.org/~incal




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