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OCAML QUESTIONS

OCaml partial application for quadratic root
OCaml partial application for quadratic root
I wish this help you This question is two-fold, partially it is about mathematics, partially it is about the partial application (pun intended).There is one value for which the discriminant formula becomes trivial, it is when c is equal to zero. Ther
TAG : ocaml
Date : January 02 2021, 06:48 AM , By : Ed.
Is there a way to declare executables with hyphens in a OCaml dune?
Is there a way to declare executables with hyphens in a OCaml dune?
around this issue I'm setting up a demo project using dune, and want to name the executable "hello-world.exe" instead of "hello_world". If I try to build the project I get an compiler error. How can I declare an executable with hyphens in the filenam
TAG : ocaml
Date : January 02 2021, 06:48 AM , By : jay
I can't manage to install any ocaml modules
I can't manage to install any ocaml modules
should help you out From your description, your issue is not installing libraries but using them. Once you have installed a library, you still need to inform the compiler on where are the compiled interfaces files (.cmi) for this library, and which o
TAG : ocaml
Date : January 02 2021, 06:48 AM , By : Peter Leung
What does "alt" do in OCaml
What does "alt" do in OCaml
I wish did fix the issue. Your question is equivalent to "what does foo mean in ocaml?". foo is just a function name, and so is alt, and therefore, aside from naming a function, it has no special meaning in OCaml.Remember that function application in
TAG : ocaml
Date : January 02 2021, 06:48 AM , By : RinKaMan
Longest increasing subarray in Ocaml
Longest increasing subarray in Ocaml
this one helps. There are a few problems with your code and your approach, let me highlight them in a QA form:
TAG : ocaml
Date : January 02 2021, 06:48 AM , By : Shrek Qian
OCaml beginner needs help: What is wrong?
OCaml beginner needs help: What is wrong?
around this issue I think the problem is that you are trying to put an if expression into a pattern-matching statement. The left-hand side of each -> needs to correspond to a valid pattern for x.Try this:
TAG : ocaml
Date : January 02 2021, 06:48 AM , By : WellBeing
How to sort a list using Jane Core?
How to sort a list using Jane Core?
This might help you The Janestreet Core library is changing its interface with time. The old name of the keyword parameter was cmp and it was changed to compare for the consistency with the other parts of the library,
TAG : ocaml
Date : December 26 2020, 12:30 AM , By : user184415
How to access global constructor when you override a variant?
How to access global constructor when you override a variant?
this will help Since 4.08 you can qualify it as Option.None.In earlier versions you can create a namespaced alias yourself, e.g.:
TAG : ocaml
Date : December 25 2020, 09:30 PM , By : Umang
Camlp4 Parser function: expression has type int but an expression was expected of type float
Camlp4 Parser function: expression has type int but an expression was expected of type float
will help you Does anybody know why this is expecting a float? How do I make the function expect an int?
TAG : ocaml
Date : December 10 2020, 03:57 AM , By : helloedwin
The type constructor is not yet completely defined
The type constructor is not yet completely defined
will help you In definition of t2 you are trying to "extend" type t1 which is not completely defined at this point (as it requre t2 in `A branch).If you want to "emulate" recursive ordinary data types (but using polymorphic variants instead) you shou
TAG : ocaml
Date : November 26 2020, 01:01 AM , By : Chandra P Singh
Suppress a warning from OCaml in a specific line
Suppress a warning from OCaml in a specific line
will help you On the other hand: If a language like Dafny (from Microsoft) exists, that is functional, I'd be happy to try that one.
TAG : ocaml
Date : November 18 2020, 11:01 PM , By : Debashree
Specifying prefix in opam file
Specifying prefix in opam file
To fix the issue you can do OPAM uses %{prefix}%, not ${prefix}$.You can see the use of prefix in Creating OPAM Packages part of the docs.
TAG : ocaml
Date : November 18 2020, 11:13 AM , By : dummyadresse
How to show all result on buffer in OCaml's tuareg mode
How to show all result on buffer in OCaml's tuareg mode
I wish this help you Use print_depth and print_length directives to increase the amount of printed data, e.g.,
TAG : ocaml
Date : November 14 2020, 11:01 PM , By : Sascha Brossmann
Generating a list causes a stack overflow
Generating a list causes a stack overflow
hope this fix your issue Since the error was in a different function, here is how you can debug this kind of thing quicker in the future.
TAG : ocaml
Date : November 07 2020, 01:43 PM , By : obijywk
How to satisfy Comparable.S with my type
How to satisfy Comparable.S with my type
it helps some times First of all, you can still use plain old camlp4. It is not deprecated, and most of core versions on most of compiler versions still require it. And don't be afraid, that your code will depend on it, when needed you can automatica
TAG : ocaml
Date : November 07 2020, 01:33 PM , By : meehan
how to load rope: installed it, but failing to load it
how to load rope: installed it, but failing to load it
To fix the issue you can do I installed rope with opam and verified that it's available: , To load rope into interactive session use topfind
TAG : ocaml
Date : November 05 2020, 09:01 AM , By : µilad
OCaml List.mem to search element in list of pair
OCaml List.mem to search element in list of pair
I wish this help you You can use List.exists, which takes a predicate function and returns true or false whether an element of the list matches or not:
TAG : ocaml
Date : October 29 2020, 11:32 PM , By : Andrew Bailey
How to achieve the type-class of sml?
How to achieve the type-class of sml?
Hope this helps If you want to do it in OCaml, this is simply a functor case :First, you need to define the type of your elements :
TAG : ocaml
Date : October 29 2020, 04:01 PM , By : sep
Knot-tying with polymorphic variants
Knot-tying with polymorphic variants
To fix this issue If you really want to "tie the knot later", this is the definition you should have:
TAG : ocaml
Date : October 28 2020, 05:11 PM , By : Lunis Neko
Copying a slice of an OCaml Bigarray.Array1 to Bytes
Copying a slice of an OCaml Bigarray.Array1 to Bytes
fixed the issue. Will look into that further If you need a Bytes.t, you have to copy the values anyway I think. The most optimal you can get is probably the following :
TAG : ocaml
Date : October 28 2020, 07:41 AM , By : fedorafennec
How to manipulate tuple argument in Ocaml
How to manipulate tuple argument in Ocaml
seems to work fine The way to access elements of a tuple in OCaml is by pattern matching. For simple types, in fact, the pattern can appear in the place where the function argument goes.
TAG : ocaml
Date : October 02 2020, 10:00 AM , By : toma
Optional parameter at the end effects the label parameter before
Optional parameter at the end effects the label parameter before
I hope this helps you . Why does let f ~x ?(y = 1) = x - y;; make the label for argument x become necessary? In other words, when I tried to evaluate f 3 ~y:2;;, I received this error: , It is not necessary to label the argument x:
TAG : ocaml
Date : October 01 2020, 11:00 AM , By : George Handlin
Checking if all elements are equal with map/fold
Checking if all elements are equal with map/fold
wish of those help Well, this looks like an assignment, so I won't give you the full answer, only some hints. An empty list consists of equal elements (vacuous truth) If a list starts with x and all other elements are equal to x then all elements of
TAG : ocaml
Date : September 30 2020, 05:00 PM , By : cnemelka
How do I "remove" a list from a list of lists, and also an element from a list?
How do I "remove" a list from a list of lists, and also an element from a list?
I think the issue was by ths following , What you can do is using a pattern matching for instance you wanna remove an element from a list so basicly when this element is equals to the deconstruction element you match, you return the list without this
TAG : ocaml
Date : September 28 2020, 07:00 PM , By : Juan Pablo
Ocaml compiling list comprehensions
Ocaml compiling list comprehensions
I wish did fix the issue. First of all a disclaimer. Camlp4 is deprecated so I would highly discourage to use it in any new project. Consider using ppx, or if you really need something that ppx is not able to provide to you, then camlp5 is still at y
TAG : ocaml
Date : September 28 2020, 12:00 PM , By : Sid
Printing randomly from a list OCAML
Printing randomly from a list OCAML
I wish this help you Sort your list with random comparator. For example by the following function.
TAG : ocaml
Date : September 27 2020, 02:00 AM , By : francisco santos
Inspecting elements of an inductive type from OCaml
Inspecting elements of an inductive type from OCaml
I wish this helpful for you The canonical source these days is the official Coq Plugin Tutorial which while up-to-date, needs some help both with Google fu [so it appears first in searches] and with formatting / presentation.I'd say start there, and
TAG : ocaml
Date : September 26 2020, 02:00 PM , By : user157064
Unbound module Png - Png.load
Unbound module Png - Png.load
should help you out To use a package in OCaml you have to perform two actions: install the package tell your build system to use the package
TAG : ocaml
Date : September 25 2020, 06:00 PM , By : Paulh
How to implement a module signature in OCaml with some default implementation?
How to implement a module signature in OCaml with some default implementation?
will help you I want to implement a module signature in OCaml like below, where the function get_data depends on each module implementation and return an option type. I also want to provide the function get_data_exn which is a wrapping of get_data by
TAG : ocaml
Date : September 25 2020, 07:00 AM , By : PaulPlum
How to define Mccs/Clingo as a OPAM solver instead of aspcud
How to define Mccs/Clingo as a OPAM solver instead of aspcud
I wish did fix the issue. To set an external solver to opam, we first need to install it. for my part, the mccs solver is located in /bin/mccsFirstable, we set the global variable $OPAMEXTERNALSOLVER in ~/.opam/default/.opam-switch/environment as fol
TAG : ocaml
Date : September 21 2020, 11:00 AM , By : Carter
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