mutual-recursion Questions
2
Solved
I try using the syntax for inductive datatypes but it got an error message "mutually inductive types must compile to basic inductive type with dependent elimination".
Below is an example of my att...
Karbala asked 21/1, 2017 at 4:36
4
Solved
Suppose I have two functions one after another in the same python file:
def A(n):
B(n-1)
# if I add A(1) here, it gives me an error
def B(n):
if n <= 0:
return
else:
A(n-1)
When the interp...
Frit asked 8/10, 2015 at 21:47
2
I am running into a mutual recursion issue. The basic structure I have employed is that I have a module that defines a type class and several modules that define instances of that type class. Each ...
Walkyrie asked 8/3, 2019 at 20:40
4
I recently started learning Haskell.
I found this code online which returns the elements at all even/odd positions of a list.
It makes use of mutual recursion, but I cannot seem to understand ho...
Machinate asked 15/4, 2018 at 15:35
4
Solved
I'm a bit confused as to how to get two method to call each other (i.e., have A() call B() and B() call A()). It seems that F# only 'sees' the method after it's been encountered in code, so if it h...
Iq asked 25/3, 2009 at 7:56
4
Solved
I would like to know if there is a non-artificial example, where mutual recursion is the most elegant solution to a problem and it cannot be easily reduced/inlined to a single recursive function.
...
Monophony asked 24/4, 2012 at 10:2
1
Solved
I have been having difficulty understanding why the haskell expression let (x,y) = (y,1) in (x,y) converges to (1,1) as expected but fix (\(x,y)-> (y,1)) results in <<loop>> being th...
Frosted asked 8/1, 2018 at 2:55
2
Solved
If I write the following code, JSLint complains that 'isOdd' was used before it was defined. Is there a way to write mutually recursive code and still please JSLint?
var isEven = function(n) {
if...
Alphosis asked 22/8, 2017 at 2:34
3
Solved
In certain programming languages, most notably in C, there are header files with function declarations. These function "headers" come before the code, and are required for situations with mutual re...
Augmentation asked 18/5, 2017 at 5:46
1
Solved
I wrote the following function that checks the validity of bracketed expressions:
let matched str =
let rec matched' stack = function
| "" -> isEmpty stack
| str ->
match first str with
...
Walhalla asked 2/2, 2017 at 18:30
3
Solved
In an online course, Kyle Simpson says the following code demonstrates the necessity of hoisting in javascript, because without hoisting "one of the functions would always be declared too late."
...
Elk asked 25/4, 2016 at 5:19
2
Solved
I'm experimenting with the foreign-function interface in Haskell. I wanted to implement a simple test to see if I could do mutual recursion. So, I created the following Haskell code:
module Mutual...
Adapa asked 3/11, 2015 at 18:19
2
Solved
In Haskell you can do the following:
Prelude> data Foo = Foo Bar; data Bar = Bar Foo
How can you do the same thing in OCaml? I tried:
___
# type foo = Foo of bar;; type bar = Bar of foo;;
E...
Photovoltaic asked 6/4, 2015 at 13:3
4
Solved
I have some types that extend a common type, and these are my models.
I then have DAO types for each model type for CRUD operations.
I now have a need for a function that will allow me to find an...
Decasyllabic asked 18/5, 2010 at 1:55
1
Solved
I am trying to represent a PDF object type in c++ using variants. A PDF object is one of the following:
Boolean
Integer
Real
String
Name
Stream
Array<Object>
Map<Object, Object>
As ...
Fernferna asked 28/9, 2013 at 12:26
3
Is there a fixed point combinator for creating tuples of mutually recursive functions? I.e. I'm looking for something like the Y-Combinator but which takes multiple "recursive"* functions, and will...
Feigned asked 4/2, 2011 at 14:29
2
Solved
If in ML, an example of a recursive datatype is:
datatype llist = Nil | Node of int * llist
What is a mutually recursive datatype and whats an example of it, in ML?
Hereunder asked 18/2, 2013 at 23:28
2
Solved
I have 2 functions like this that does obfuscation on if loop:
void funcA(string str)
{
size_t f = str.find("if");
if(f!=string::npos)
{
funcB(str); //obfuscate if-loop
}
}
void funcB(string...
Worthen asked 30/1, 2013 at 7:34
1
Solved
Haskell supports mutually recursive let-bindings, which is great. Haskell doesn't support mutually recursive modules, which is sometimes terrible. I know that GHC has its .hs-boot mechanism, but I ...
Fatness asked 4/1, 2013 at 1:50
2
Solved
Is there a way to declare a function before defining it in OCaml? I'm using an OCaml interpreter.
I have two functions:
let myFunctionA =
(* some stuff here..... *) myFunctionB (*some stuff *)
...
Violoncellist asked 30/9, 2011 at 16:50
1
Solved
I can use the and keyword to set up mutually recursive function definitions. I can also use and for mutually recursive types, but what if there is a mutually recursive relationship between a type a...
Kenelm asked 13/8, 2011 at 16:12
2
Solved
When using mutually recursive module definitions in OCaml, it's necessary to give signatures, even in the .ml file. This is an annoyance where I also want to expose a given interface from the .mli,...
Tsarevitch asked 20/1, 2011 at 4:59
1
Solved
Is it possible to have mutual recursive types ([<Struct>]) spread across different files? The types are directly under a namespace.
My solution is to put them in one big file and use type .....
Destroy asked 29/11, 2010 at 21:38
3
Solved
Possible Duplicate:
[F#] How to have two methods calling each other?
Hello all,
I Have a scenario where I have two functions that would benefit from being mutually recursive but I'm ...
Theall asked 1/9, 2010 at 18:30
4
Solved
How do I implement mutually recursive classes in C++? Something like:
/*
* Recursion.h
*
*/
#ifndef RECURSION_H_
#define RECURSION_H_
class Class1
{
Class2* Class2_ptr;
public:
void Class1_...
Eisinger asked 4/8, 2010 at 23:24
1 Next >
© 2022 - 2024 — McMap. All rights reserved.