Tagged Questions
4
votes
1answer
211 views
Rewrite C# class in F# result in half performance, any suggestion?
This is my c# class takes 2.6s
class Snake
{
readonly Symbol _mySymbol;
readonly int _multiplier;
readonly int _hit;
readonly int _payout;
readonly Snake _bestSnake;
...
4
votes
1answer
80 views
How to refactor this groupby alike method but with index?
I have got such 2d jagged array (row is 1st dimension, column is 2nd dimension, bottom to up, left to right)
0 0 b b b c
0 0 h g g c
0 0 h a a c
0 0 f f d d
0 ...
3
votes
3answers
164 views
How to improve this array manipulation function?
The function takes 2 arguments: array: int[], cap: int
Members would be ranged from 0 to cap.
e.g.
array = [0,0,0,2,6,3,0,4,2,4,0]
cap = 6
The return value is a new array of same length based on ...
3
votes
2answers
277 views
Immutable pure data classes with public setters on properties
I'm putting together some classes as a model for some information (that I'm currently pulling from a website).
The classes are implemented in C# - because in the current version of F# there are no ...
3
votes
1answer
383 views
Review an asynchronous/message-oriented library actor
I'd like to get input on a F# actor that coordinates receives around a blocking message buffer. The actor is a piece of code that continuously tries to fetch messages from Azure Service Bus.
(*
...
2
votes
1answer
95 views
My implementation of lexicographic permutation in F# is 3x slower than C#?
Can someone help me with the following micro optimization for the f# code for lexicographic permutation?
I have code in C#, which runs 0.8s in x86 and x64. As a learning practice, I translated it ...
2
votes
2answers
207 views
Using a Function to emulate F# Match in C#
So this was inspired by:
this question
But doesn't actually answer it:
What do you think of:
public class Case<TRes>
{
public Case(bool condition, Func<TRes> result)
{
...
2
votes
1answer
611 views
Symbolic derivative in C#
I have translated the following F# code to C# and would appreciate constructive criticism. This code computes the symbolic derivative of the expression f(x)=x³-x-1:
type Expr =
| Int of int
| Var ...
