python (65.2k questions)

javascript (44.3k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (13k questions)

Questions - r5rs

What is the difference between of code written in DrRacket in "R5RS" vs "#lang racket"?

Is there a difference between in syntax of coding or code will same in both language types? I wrote a program in #lang racket language but I was supposed to do it in the "R5RS" type.
test-img

VIPER

scheme

racket

r5rs

Votes: 0

Answers: 2

Latest Answer

The short answer is that it depends on the program. #lang racket and #lang r5rs share the same basic syntax but smaller things may change between the two, e.g. [ can be used in place of ( in racket bu...
test-img

edoput

call a foreign program to do work in your current program in scheme

I was wondering if you're allowed to call another program you made to do work in a new program you are about to make in scheme, or would I have to copy and paste all the code from the previous program...
test-img

wantong.eso

scheme

racket

r5rs

Votes: 0

Answers: 2

Latest Answer

If I understand your question, you have this module named add.scm: ;; add.scm #lang racket (+ 5 7) ;; prints 12 when run and you want to write a new module that gets the value that the add.scm module...
test-img

Ryan Culpepper

How to Multiply a value to the next value in a list in scheme?

Is there a way to multiply each value in a list, however instead of getting another list (2 4 6) like so, you get the multiplication of all values together. (define (multi x y) (if (null? y) '(...
test-img

wantong.eso

scheme

r5rs

Votes: 0

Answers: 3

Latest Answer

Use fold left or right, using this the system will iterate over the input without building a new list but only changing an accumulator. (fold-right * 1 '(2 3 4)) (fold-left * 1 '(2 3 4))
test-img

alinsoar

Posts

Questions

Blogs

Jobs