language-ext | functional language extensions - a base class library | Functional Programming library
kandi X-RAY | language-ext Summary
kandi X-RAY | language-ext Summary
One of the great features of C#6+ is that it allows us to treat static classes like namespaces. This means that we can use static methods without qualifying them first. That instantly gives us access to single term method names that look exactly like functions in functional languages. i.e. This library tries to bring some of the functional world into C#. It won’t always sit well with the seasoned C# OO programmer, especially the choice of camelCase names for a lot of functions and the seeming 'globalness' of a lot of the library. I can understand that much of this library is non-idiomatic, but when you think of the journey C# has been on, is "idiomatic" necessarily right? A lot of C#'s idioms are inherited from Java and C# 1.0. Since then we’ve had generics, closures, Func, LINQ, async… C# as a language is becoming more and more like a functional language on every release. In fact, the bulk of the new features are either inspired by or directly taken from features in functional languages. So perhaps it’s time to move the C# idioms closer to the functional world’s idioms?. One of the areas that’s likely to get seasoned C# heads worked up is my choice of naming style. The intent is to try and make something that feels like a functional language rather than following rules of naming conventions (mostly set out by the BCL).
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Community Discussions
Trending Discussions on language-ext
QUESTION
The extension adds support for Renpy language, a language very similar to Python. In this language, it's possible to embed Python code in different ways.
Single line statement: ...ANSWER
Answered 2022-Apr-03 at 01:18If there is always a line after the block that has the same indent as the word python: you could try
QUESTION
I am using the (amazing) One Monokai theme in visual studio code. One thing that bothers me is that variable modifers like const and control flow like for, if, while, ... are displayed using the same color. Based on this tutorial, I tried a custom coloring by adding to settigs.json:
ANSWER
Answered 2022-Mar-17 at 15:49With the comment pushing me into the right direction and this tutorial, the working code is
QUESTION
I am trying to inject custom grammar's into an existing language, but I can't seem to get it to work.
package.json:
ANSWER
Answered 2022-Mar-06 at 09:53Turns out that the problem was the encoding of ruby.has_many.json file.
It was UTF-8 With BOM, but it had to be UTF-8.
QUESTION
I found this question about using capture groups with the \K reset match (i.e., not sure if that's the correct name), but it does not answer my query.
Suppose I have the following string:
...ANSWER
Answered 2021-Dec-05 at 20:35If I understand what you are trying to match, use as a regex:
QUESTION
Suppose I have the following text:
...ANSWER
Answered 2021-Dec-17 at 11:33The main issue is that x is already consumed with \h*x\h*(]) part in the first alternative, and \h*(x) in the second alternative cannot re-match what has already been consumed.
If you put the second alternation in the branch reset group inside a lookahead you can "free up" the x for the second alternative to catch it:
QUESTION
Suppose I have the following text:
...ANSWER
Answered 2021-Dec-16 at 09:57You could make use of a branch reset group:
QUESTION
Suppose I have the following markdown list items:
ANSWER
Answered 2021-Dec-05 at 13:04Inspired by the answer by Wiktor , check the following regex, which is quite short
QUESTION
I'm using the TryAsync monad in LanguageExt, but am having difficulties trying to bind multiple ones together. I'm still learning functional programming, and so could be doing this completely wrongly. Please feel free to comment on any part of my approach here.
Suppose I have the following methods that call the Google Drive API...
...ANSWER
Answered 2021-Nov-21 at 21:21Your last attempt is really close, and if you'd examined the compiler error, you probably would have figured it out:
QUESTION
I am following this link(https://code.visualstudio.com/api/language-extensions/snippet-guide) to develop the code snippet function of my vscode exetension.
I want my code snippets not distinguish between uppercase and lowercase letters. For example, "Enum"/"ENUM"/"enum"/"eNum"/"eNUm"/...and so on is all I need, how should I configure my "prefix" field（like using regex?）?
...ANSWER
Answered 2021-Oct-16 at 09:22You can define multiple prefixes, choose the ones that are the most likely
QUESTION
Context:
/Za, /Ze (Disable Language Extensions):
... the C compiler conforms strictly to the C89/C90 standard
/permissive- (Standards conformance):
... and sets the /Zc compiler options for strict conformance
C++ Conformance improvements, behavior changes, and bug fixes in Visual Studio 2019:
... /permissive may be specified to turn off strict conformance mode in the compiler.
The second option is meant to disable the strict conformance mode ...
Note that this is not strictly conformant with ISO C99 ...
Walkthrough: Compile a C program on the command line:
MSVC is compatible with the ANSI C89 and ISO C99 standards, but not strictly conforming.
Question: what is the definition of "strict conformance"? Was it invented by Microsoft?
Note: both C (n2596.pdf) and C++ (n4849.pdf) standards no not use term "strict conformance" / "strictly conforming" applied to the implementation. The implementation is either conforming, either non-conforming. W/o gradations.
UPD. My guess: under "strict conformance" (w.r.t. to implemtation) Microsoft means "conforming implementation w/o support of any extensions".
...ANSWER
Answered 2021-Oct-14 at 19:15The C11 standard defines a strictly conforming program and implementation in section 4 paragraphs 5-7 as follows:
5 A strictly conforming program shall use only those features of the language and library specified in this International Standard. It shall not produce output dependent on any unspecified, undefined, or implementation-defined behavior, and shall not exceed any minimum implementation limit.
6 The two forms of conforming implementation are hosted and freestanding. A conforming hosted implementation shall accept any strictly conforming program. A conforming freestanding implementation shall accept any strictly conforming program in which the ∗ use of the features specified in the library clause (clause 7) is confined to the contents of the standard headers , , , , , , , , and . A conforming implementation may have extensions (including additional library functions), provided they do not alter the behavior of any strictly conforming program.
7 A conforming program is one that is acceptable to a conforming implementation.
While the terms strictly conforming implementation and strict conformance do not appear here, they can be understood to mean an implementation (in a given mode) that will only accept a strictly conforming program (or more accurately, an implementation that doesn't support features not specified in the standard) .
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Install language-ext
To use this library, simply include LanguageExt.Core.dll in your project or grab it from NuGet, and add this to the top of each .cs file that needs it:. The namespace LanguageExt contains the core types, and LanguageExt.Prelude contains the functions that you bring into scope using static LanguageExt.Prelude.
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