Recent questions tagged scheme

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scheme - Y combinator discussion in "The Little Schemer"

So, I've spent a lot of time reading and re-reading the ending of chapter 9 in The Little Schemer, where the ... don't see how A avoids it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scheme - Recursive range in Lisp adds a period?

(define .. (lambda (start stop) (cond ((> (add1 start) stop) (quote ())) ((eq? (add1 start) stop ... this is happening. Any help is appreciated See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scheme - How to do a powerset in DrRacket?

I'm using the beginning language with list abbreviations for DrRacket and want to make a powerset recursively but ... help would be good. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scheme - My code signals the error "application: not a procedure" or "call to non procedure"

During the execution of my code I get the following errors in the different Scheme implementations: Racket: application: ... non procedure application: (1 2 3) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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531 views

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scheme - Which lang packet is proper for SICP in Dr.Racket?

I'm trying with SICP and I got some code. So I started with: #lang scheme (word 'comp 'uter) Returned error ... : http://mitpress.mit.edu/sicp/code/index.html Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scheme - Unexpected persistence of data

This question already has answers here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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scheme - What is the difference between quote and list?

I know that you can use ' (aka quote) to create a list, and I use this all the time, like this: ... a convenient shorthand, so why is the behavior different? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

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scheme - dynamic scope - why this is the return value?

why under dynamic scope this code will return error for "g not defined"? when running ((ff) 5), at some ... com/questions/65945323/scheme-dynamic-scope-why-this-is-the-return-value...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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