functional-programming

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Best Practices for "Abstract" functions in JavaScript?

I just wrote some JavaScript code that follows along with what I believe to be good practice for creating an object with closure and some functions:[详细]

2023-04-06 12:49 分类：问答
Is there a standard library solution to this Haskell problem?

I want to use Dat开发者_如何学JAVAa.List.groupBy to group a list of tuples based on the equality of the snd element.[详细]

2023-04-05 19:13 分类：问答
Problem calculating overlapping date ranges

I have a problem trying to work out the correct algorithm to calculate a set of date ranges. Basically I have a list of unordered date ranges (List containing arrays of start and end times) and I wan[详细]

2023-04-05 15:34 分类：问答
Algorithm for computing the plausibility of a function / Monte Carlo Method

I am writing a program that attempts to duplicate the algorithm discussed at the beginning of this article,[详细]

2023-04-05 11:28 分类：问答
Attribute Grammar System in F#

after searching the web i could not find an attribute grammar system for F#. Well there is fsyacc with inherited attributes but i am looking for something more expressive like Ox (Ox manual). Actually[详细]

2023-04-05 09:14 分类：问答
Functional programming and Haskell [closed]

开发者_如何学编程 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current for[详细]

2023-04-05 02:51 分类：问答
reversing a list in OCaml using fold_left/right

UPDATE - Solution Thanks to jacobm for his help, I came up with a solution. // Folding Recursion let reverse_list_3 theList =[详细]

2023-04-04 16:51 分类：问答
How does foo(&nil) behave differently than foo(&"not a proc")?

I found out from heckle that [1, 2, 3].each(&nil) doesn\'t cause any errors - it just returns an enumerator.[详细]

2023-04-04 12:46 分类：问答
In python or coffeescript, why list.append not return the list itself ? recursion can be a lot simpler if so

consider the following code if insert() return the list itself. def sieve(l): if not len(l): return [] return sieve(filter(lambda x: x%l[0] != 0, l)).insert(0, l[0])[详细]

2023-04-04 12:40 分类：问答
What is the difference between def foo = {} and def foo() = {} in Scala?

Given the following constructs for defining a function in Scala, can you explain what the difference is, and what the implications will be?[详细]

2023-04-04 11:55 分类：问答