Reflex | C14 Reflection Library | Reflection library

by Cylix C++ Version: 1.1.0 License: MIT

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kandi X-RAY | Reflex Summary

Reflex is a C++ library typically used in Programming Style, Reflection applications. Reflex has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

C++14 Reflection Library

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Support

Reflex has a low active ecosystem.

It has 127 star(s) with 16 fork(s). There are 10 watchers for this library.

It had no major release in the last 12 months.

There are 0 open issues and 3 have been closed. On average issues are closed in 5 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of Reflex is 1.1.0

Quality

Reflex has no bugs reported.

Security

Reflex has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

Reflex is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

Reflex releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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Reflex Key Features

No Key Features are available at this moment for Reflex.

Reflex Examples and Code Snippets

No Code Snippets are available at this moment for Reflex.

Community Discussions

Trending Discussions on Reflex

Proving basic properties of recursive "less than" definition for naturals in Isabelle

How to install ghcjs 8.8 or 8.10?

How to wrap text around picture

Is it possible to prove oddb 0 = true?? coq

How to prove a odd number is the successor of double of nat in coq?

How to set input value to current day in reflex?

Introducing fixed representation for a quotient type in Isabelle

(genralized) rewriting of an equivalent term under constructor?

Unfold a type-function in a match (like destruct)

How do I put an image above the content box?

QUESTION

Proving basic properties of recursive "less than" definition for naturals in Isabelle

Asked 2021-May-12 at 22:34

I was trying to recreate a simplified version of the natural numbers, for learning purposes (as it involves inductive definitions, recursive functions, etc...). In that process however, I got stuck in something that I thought would be very trivial.

Basically, I have a definition for natural numbers 'natt' and a definition for the '<' relation:

...

ANSWER

Answered 2021-May-12 at 22:34

After some tips from user9716869, it's clear that my main problem was the lack of knowledge about the arbitrary option in induction. Using (induction _ arbitrary: _) and (cases _) (see the reference manual for details), the proofs are quite straight forward.

Since these are made for educational purposes, the following proofs are not meant to be concise, but to make every step very clear. Most of these could be vastly reduced if more automation is desired, and some can be done in one line (which I left as a comment below the lemma).

Note: In these proofs, we are using an implicit lemma about inductive types, their injectivity (which implies (Succ a = Succ b) ≡ (a = b) and Zero ≠ Succ a). Furthermore, (Succ a < Succ b) ≡ (a < b) by definition.

First, we prove 2 useful lemmas:

a < b ⟹ b ≠ Zero
b ≠ Zero ⟷ (∃ b'. b = Succ b')

Source https://stackoverflow.com/questions/67479214

QUESTION

How to install ghcjs 8.8 or 8.10?

Asked 2021-May-12 at 18:08

I would like to produce an HTML / JS page with reflex-dom (only client side, frontend). However, I use the singletons package (2.6) and it seems that it cannot be compiled with ghcjs or ghc 8.6.5 (singletons 2.5.1, broken-unpatched). Therefore, the reflex-platform solutions, reflex-stone or equivalent did not help me.

I saw that ghcjs 8.8 or 8.10 could be installed through haskell.nix, but I did not find how.

How can I do it? Or maybe, is there a way to use GHCJS (or reflex-platform solutions) with recent packages (that need ghc 8.8 or +)? Is there a way to use ghcjs-8.8 or 8.10 with the reflex-platform?

...

ANSWER

Answered 2021-May-12 at 18:08

First of all I would like to highlight that I'm not in any way related to GHC or GHCJS projects development, just another person who encountered similar issues, so take it with a grain of salt.

Currently GHCJS supports <= 8.6.5 out of the box. There is some development going on now and we will probably see officially supported 8.10 soon.

Meanwhile you can try to build the following branches on your own risk: 8.10 8.8

Source https://stackoverflow.com/questions/66921189

QUESTION

How to wrap text around picture

Asked 2021-May-10 at 16:40

How do you wrap text around an image in HTML and CSS? I have an image and a text next to it, but it would not go below the image. how could I make text go around the image? What would be the best way for the text and image to looks when we view on a phone screen.

I cannot any useful way on the internet. I am quite new to html

Thank you.

here is my code bellow

...

ANSWER

Answered 2021-May-09 at 22:34

To make the time below the image, remove

Source https://stackoverflow.com/questions/67462646

QUESTION

Is it possible to prove oddb 0 = true?? coq

Asked 2021-May-01 at 08:29

I have define an odd like this:

...

ANSWER

Answered 2021-May-01 at 08:29

Your definition of odd seems wrong. Is it not n+2. Anyway our problem is related to How to prove a odd number is the successor of double of nat in coq?

Source https://stackoverflow.com/questions/67342861

QUESTION

How to prove a odd number is the successor of double of nat in coq?

Asked 2021-Apr-30 at 22:40

I have the odd number definition as below:

...

ANSWER

Answered 2021-Apr-30 at 22:40

Standard induction let you jump from n to n+1. Here with your odd function you need to jump from n to n+2. So what is needed is a stronger induction. One way to do this is to prove:

Source https://stackoverflow.com/questions/67340256

QUESTION

How to set input value to current day in reflex?

Asked 2021-Apr-24 at 23:41

I am using reflex-platform with obelisk. This is my frontend code to get the current date

...

ANSWER

Answered 2021-Apr-24 at 23:41

https://github.com/reflex-frp/reflex-dom/commit/93f0f4bd00e1dc871d193d7d53d5d7f2dbb518af

Looks like this was a bug, that has been fixed in reflex-dom.

Source https://stackoverflow.com/questions/66820112

QUESTION

Introducing fixed representation for a quotient type in Isabelle

Asked 2021-Apr-23 at 22:44

This question is better explained with an example. Suppose I want to prove the following lemma:

...

ANSWER

Answered 2021-Apr-23 at 22:44

You can introduce a concrete representation with the theorem int.abs_induct. However, you almost never want to do that manually.

The general method of proving statements about quotients is to first state an equivalent theorem about the underlying relation, and then use the transfer tool. It would've helped if your example wasn't automatically discharged by automation... in fact, let's create our own little int type so that it isn't:

Source https://stackoverflow.com/questions/67233888

QUESTION

(genralized) rewriting of an equivalent term under constructor?

Asked 2021-Apr-20 at 16:26

I have an inductive type Env that is a snoclist with multiple cons constructors

...

ANSWER

Answered 2021-Apr-20 at 16:26

You could declare WfEnv to be a morphism for the relation EnvEq as follows:

Source https://stackoverflow.com/questions/67177057

QUESTION

Unfold a type-function in a match (like destruct)

Asked 2021-Mar-30 at 14:18

TL;DR

I want to write a fixpoint definition that matches over a value inside a dependent type without proof-mode. The essential issue is that Coq won't use the match to notice that the types are equivalent in a dependent type; I can force it in proof-mode, but I wonder if it's possible to do so without it.

I'm working on a project that involves lots of matrix operations. The matrices can be arbitrarily many dimensions (each of which is rectangular), so I wrote a definition to compute the type of the matrix:

...

ANSWER

Answered 2021-Mar-30 at 14:12

This is one of the major headaches of using dependent types in Coq. The solution is to rewrite linearize so that it returns a function after matching:

Source https://stackoverflow.com/questions/66863226

QUESTION

How do I put an image above the content box?

Asked 2021-Mar-26 at 15:30

So I am extremely new to coding and I am doing this for my career school capstone project and I am running into a lot of problems. Mainly two: How to put the image above the content box? (even with a transparent background).

Here is my Code:

...

ANSWER

Answered 2021-Mar-26 at 15:30

Try this

Source https://stackoverflow.com/questions/66804341

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install Reflex

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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