lisp - What does "my other car is a cdr" mean? -
Can anyone explain this joke to me? I have read something on functional programming languages and know that the meaning of the CAR / CDR is the contents of the register / curve register but I still do not really understand the humor.
In Lisp, a linked list element is called a bracket with two elements There is a data structure, which is called the CDR for CR and historical reasons (some common Lisp programmers prefer to refer to the use of earlier and leisure functions, whereas others like CAR and CDR are precomfolded versions (CADR X) ≡ (Car (CDR X))
Junk is a parody of a bumper sticker, which you sometimes see on the green cars which says "My second car is Porsche / BMW / etc".
This joke is always for me "my second car is CADR. CDR is not a car at all."
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