functor

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Serialize C++ functor

Can you save the function body of a C++ lambda/functor? For example, say you have light0->lightFunction = []( real tEl, real pAz ) -> Vector {[详细]

2023-04-13 07:05 分类：问答
Packaging Predicate Functors

I\'m wondering about conventions and best practices regarding the packaging of predicate functors.For example, given a class like:[详细]

2023-04-12 10:05 分类：问答
GHC 7.0.4 seems to have forgotten how to apply functors

In the \"Functors, Applicative Functors and Monoids\" chapter of Learn You A Haskell, Miran does the following:[详细]

2023-04-11 05:11 分类：问答
Multiple predicates specified during runtime

There are operator classes in STL like less, equal_to, greater_equal etc.How to easily comb开发者_如何学运维ine them to use with for example remove_if function?[详细]

2023-04-11 04:48 分类：问答
Haskell "pseudo-functor"

I have a polynomial data Poly a = Poly [a] I would like to be able to do something like fmap (take3) polynomial but I can\'t since Poly isn\'t really a functor in that the f I use in fmap can only[详细]

2023-04-10 10:42 分类：问答
Making an array available outside of a function

I have the following code: class Transaction : public transactor<> { public: Transaction(arg1, arg2) // can put any number of args[详细]

2023-04-08 09:35 分类：问答
Scala -- How to use Functors on non-Function types?

While reading the description of Functors on this blog: https://hseeberger.wordpress.com/2010/11/25/introduction-to-category-theory-in-scala/[详细]

2023-04-08 07:52 分类：问答
how to mix applicative functors and arrows

i read on Andrew Birkett’s blog Applicative arrows for XML &&& return to pure that we could mix arrows and applicative functors.[详细]

2023-04-08 03:42 分类：问答
Using a function to call a functor

I have an algorithm that calls several functions to process its data.Each of these functions share and manipulate many of the same variables.Therefore I\'m trying to avoid having a set of functions th[详细]

2023-04-06 03:28 分类：问答
functors and object inheritance

A brief outline: I have a base class that builds some data objects.I then have a child class that inherits all the public methods and pointers to objects from the base class.[详细]

2023-04-05 14:38 分类：问答