higher-order-functions

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Calling Scala constructor with multiple argument lists

In Scala, I can create a method that takes more than one argument list: def myMethod(value: Int)(fn: (Int) => Unit) {[详细]

2023-02-28 07:56 分类：问答
Use of Clojure macros for DSLs

I am working on a Clojure project and I often find myself writing Clojure macros for DSLs, but I was watching a Clojure video of how a company uses Clojure in their real work and the speaker said that[详细]

2023-02-20 00:46 分类：问答
Higher-order functions in Clojure

Clojure is awesome, we all know this, but that\'s not the point. I\'m wondering what the idiomatic way of creating and managing higher-order functions in a Haskell-like way is. In Clojure I can do the[详细]

2023-02-17 01:06 分类：问答
Erlang: is it possible to write the minimum function as a list fold?

Given a function: 开发者_运维技巧min(A, B)when A =< B -> A; min(_A, B)-> B. can I use this in the function foldlin a similar fashion to this:[详细]

2023-02-14 20:57 分类：问答
Is lambda a type of higher order function?

I saw this question on one of the job postings and its asking what\'s a lambda function and what its relation to h开发者_JAVA技巧igher order function. I already know how to use lambda function but not[详细]

2023-02-11 01:01 分类：问答
Why foldl1 fails applying the (==) operator?

From prelude: foldl1: it takes the first 2 items of the list and applies the function to them, then 开发者_开发技巧feeds the function with[详细]

2023-02-09 07:10 分类：问答
Output of this program using different scoping/binding rules and parameter-passing?

This is a (really) hard exercise for my next exam. It\'s intended for scoping, binding and parameter-passing rules undestanding. I can\'t figure out even the first 3 numbers outputted, this is driving[详细]

2023-02-04 18:11 分类：问答
type of high order functions

if I specify the (I think) correct type for a high order function the OCaml compiler rejects the second usage of that function.[详细]

2023-01-31 03:08 分类：问答
Web programming with higher order functions

We are learning higher-order functions in our class and our professor mentioned that they can be useful for web p开发者_JS百科rogramming. I\'m unsure as to what cases in which that would be true and w[详细]

2023-01-25 19:45 分类：问答
fold_tree in OCaml

As You may know, there are higher order functions in OCaml, such as fold_left, fold_right, filter etc.[详细]

2023-01-25 10:13 分类：问答