BoardTracker - Functional

Need help in SML...

Mon, 25 Feb 2008 00:00:00 GMT

Hi I am new to SML. I need to write a program that checks target words in a text file against a dictionary of correct spellings. If the target word is in the dictionary, it is output to the s...

not finding the help you need?...

Fri, 03 Nov 2006 00:00:00 GMT

Since CoderForums was bought out by HostRocket, the community has stagnated. If you need programming help but aren't finding it here, head on over to CoderBoards at http://coderboards.webhop.org ....

Dr Scheme graphical help...

Mon, 28 Nov 2005 00:00:00 GMT

Hey fellows, I am new to DrScheme and I have this assignment about making graphical user interface using DrScheme.. (define pic1 ) (define pic2 ) (define pi...

scheme help...

Tue, 03 May 2005 00:00:00 GMT

Hi guys!!! I got another question for ya. I have 2 functions defined, one called subset? and set-equal?. here is some code for them. Code: (define subset? (lambda (e r) (cond ((nu...

instance declaration...

Wed, 13 Apr 2005 00:00:00 GMT

Suppose I have some class Toona and I would like to declare a Boolean tuple as an instance of Toona. So here is my question. Is this valid haskell code? instance (Bool u,Bool v) => Toona (u,v) ...

Need Help With Scheme Function...

Wed, 13 Apr 2005 00:00:00 GMT

I am trying to make this function (primeList n) where n = some integer. This function should then return a list of ordered pairs, each pair consisting of an integer and the string "prime&quo...

scheme help plz!!!...

Tue, 05 Apr 2005 00:00:00 GMT

hey guys!!! im having trouble with scheme. the teacher gave us some sample code. Code: (define member? (lambda (e S) (cond ((null? S) #f) ((eq? e(car S)) #t) (e...

Prolog Questions...

Wed, 30 Mar 2005 00:00:00 GMT

Hi, I have just pick up this language and still learning the basics of it. I happened to came across a prolog question: "To get started We need to assert primes([2]).Write a predicate start t...

beautiful lcm code...

Tue, 29 Mar 2005 00:00:00 GMT

listCompare :: [Int]->[Int]->Int listCompare (a:as) (b:bs) | a==b = a | a>b = listCompare (a:as) (bs) | b>a = listCompare (as) (b:bs) leastCommonMult :: Int->Int->In...

[Scheme] Error handling...

Sat, 26 Mar 2005 00:00:00 GMT

Hi to all, I'm using DrScheme. If i have something like this: Code: (open-input-file filename) It will open a file and let me use it... but.. if the filename is incorrect, the progr...

problem with primitive procedures in Scheme...

Sun, 20 Mar 2005 00:00:00 GMT

Hi, I'm writing a Scheme interpreter in Scheme, and I've encountered the following problem: I want to interpret a list of symbols, where the first element is a binary operation, and the next tw...

Smlnj...

Tue, 01 Feb 2005 00:00:00 GMT

Greetings. I have the following problem set. Quote: Trailing List Elements Implement a function removeTrailing of type int * int list -> int list. The evaluation ...

somemore help with scheme plz!...

Sun, 30 Jan 2005 00:00:00 GMT

hi guys!! im messing around with scheme and im trying to learn how to use the draw-polygon function. I was looking at the code and didn't understand one of the arguments so, the structure of the c...

recursive 8 queens problem in SML with uncaught exception nonexhaustive match failur...

Sun, 16 Jan 2005 00:00:00 GMT

Hello all I am a newbie to SML and this forum I only started programming in SML about a week ago. I am trying to write a program to solve all the possible solutions to the 8 queens problem but I keep ...

scheme newbie here...

Wed, 12 Jan 2005 00:00:00 GMT

hi guys!!! i just came across this forum looking for some scheme tutorials. This site looks cool and very helpful just by looking at some other threads. I have a problem with scheme though. I am t...

Help with Scheme...

Mon, 03 Jan 2005 00:00:00 GMT

Recently in my computer science class, we pretended that scheme had not implemented numbers and we had to create different functions such as add, subtract, etc with a number system we created which ba...

Set module Abstract Data Type...

Sat, 18 Dec 2004 00:00:00 GMT

i am writing a set module as an abstract data type implemented as an ordered list: module Set ( Set, -- type constructor emptySet, -- Ord a => Set a addElement, -- ...

Update a Haskell List in Runtime...

Mon, 01 Nov 2004 00:00:00 GMT

Hello, I' a Haskell Newbie and i need some help about a function.. My problem is to update a list of values in Runtime. For example i have a initial list: list1="a" and a func...

read from file byte by byte...

Wed, 27 Oct 2004 00:00:00 GMT

Hello Guys Listen, I am currently on a school project and I need to make something the sort of WINZIP, and I have to start to read from the file byte by byte... There is a predefined function...

Scheme problem, need HELP!...

Mon, 06 Sep 2004 00:00:00 GMT

Hi, Im a beginner in Scheme and I really need help. Im trying to return the average of a complex list of numbers. So basically its just adding the numbers in a list and dividing by the number of...

What is Haskell?...

Sat, 04 Sep 2004 00:00:00 GMT

I have been wondering for a while what Haskell is for. Does it have any specific uses, or is it an all around language?...

Another Haskell Question...

Mon, 16 Aug 2004 00:00:00 GMT

Just wondering if there is an easy way of doing this in Haskell. Just fewer lines: I have two data types, and some other functions which are immaterial to the actual question. The following ar...

A recurring error...

Sun, 25 Jul 2004 00:00:00 GMT

Hi. Slowly (VERY slowly, in fact) continuing my trip in the world of Lisp, I've got that error more than once when defining functions : (PUSH (CAR LST2) LST1) should be a lambda expression W...

CLisp won't output...

Thu, 01 Jul 2004 00:00:00 GMT

This may be more of a problem with clisp thant with the language itself, but here goes. I have the following dumb script : Code: #!/usr/bin/clisp (defun isinlist (lst elm) (if (eql (car ...

All substrings of a string...

Mon, 07 Jun 2004 00:00:00 GMT

Hey. I'm trying to write a function (really, a set of functions) to return all substrings of a given string. I have what you say see below so far, but it isn't elegant. Code: (* All substri...