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Questions tagged [ionide]

An Atom Editor and Visual Studio Code package suite for cross platform F# development.

Ionide includes all the necessary features you’d find in a modern IDE - autocomplete, tooltips, document formatting, syntax and error highlighting, and many more.

An Atom Editor and Visual Studio Code package suite for cross platform F# development.

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69 questions
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Add .net-Core F# File to F# project in vscode

I am currently trying to add an F# file to an F# project in VSCode using .NET core. I have ionide installed and tried using the "Add Current File to Project" command, after creating a new file with the .fs extension, but this did not work. Is there…
Daniel
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WebSharper F# - How to run a template project created with VS Code and Ionide?

I have never worked with .NET before and I would like to know how to run a WebSharper F# project without any IDE. Context I'm running Linux with Mono 4.4.2 The project was created with VS Code and Ionide, using the template…
boechat107
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2 answers

Autocomplete F# script code in VSCode

I installed the Ionide-fsharp (1.9.1) package in VSCode (1.2.1) and started writing some example scripts from fsharpforfunandprofit.com. I expected to have autocomplete in the VSCode editor, but it does not seem to work: I also set the System's…
Homorozeanu George
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1 answer

Visual Studio Code does not see changes in F# Solution

Currently I am trying to use Visual Studio Code with Ionide to build a F# Solution. To describe my problem, i first describe what i have done, and what works. I created a solution with two Projects. One Project is a Queue that contains a F# library.…
David Raab
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1 answer

Ionide VS Code consistently seeing errors that don't occur when running dotnet build?

I'm on Windows using .NET Core 3.1/5. I consistently seem to have issues with Ionide reporting errors that do not occur when running dotnet build/dotnet run, as well as seemingly locking DLL files preventing me from running dotnet build until…
ryachza
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How to Enable Intellisense in VS Code + Ionide?

I've created an F# (script) app via the dotnet cli using the following outlined steps. However, when I open the app/project in VS Code with Ionide, intellisense is inactive. How can I resolve this? To create the app/project, I: Created an app…
Ari
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1 answer

How do I check the OS in the F# preprocessor?

We're multiple persons working on the same F# project. Some use MacOS and Visual Studio Code together with Ionide while others use Windows with Visual Studio. In the F#-code, we need to access some files, but MacOS uses / to specify paths while…
Harry
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Ionide F# - Lint all files

I am using Ionide F# in VS Code. When I open .fs files, I see items added to the VS Code Problems tab and editor highlighting to show the problems. However, I cannot figure out how to lint the entire solution. How do I lint all files? Edit: Here is…
JamesFaix
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query Elasticsearch on AWS

I'm trying to make a simple query to a elasticsearch on AWS. However, when I execute it my .fsx file on OSX using VSCode + Ionide, it fails with the following exception: Elasticsearch.Net.UnexpectedElasticsearchClientException: The method or…
P_O
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1 answer

How can I download sources of nuget dependencies in a dotnet project in Visual Studio Code on Linux?

In Java/Maven/IntelliJ IDEA it is easy to download the Sources of Dependencies from Maven and have jump-to-declaration support for used libraries, which can be very helpful when using poorly documented libraries. Can I do the same thing with dotnet…
Peter Zeller
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F# Ionide - FAKE build "The system cannot find the path specified"

I am working with F# on Windows with the Ionide plug-in. I can create a new F# project and load one of the example templates, e.g. "fslabjournal" or a class library. Working in the script files seems fine, and everything in the default scripts works…
calvinXS
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1 answer

The namespace or module is not defined

I am trying to work through the getting started docs for F# Visual Studio Code shows an error If I hover my mouse over the red squiggle I see the error message The Namespace or module ClassLibraryDemo is not defined" Here is the code for…
Kirsten
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VSCode & Ionide: Unable to trigger breakpoint

I am unable to get debugging to work on a .NetCore solution using Visual Studio Code with the Ionide plugin. Specifically, the breakpoint that I set is not getting triggered. My Launch.json is the following: { "version": "0.2.0", …
Scott Nimrod
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2 answers

F# build fails to locate two packages after updating mono

I have an existing F# / Mono / paket / fake project under Linux that used to compile correctly. I updated mono using apt-get and now my project won't compile. It can't find the two referenced packages : MathNet.Numerics and Newtonsoft.Json. Here's…
Gilles
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Unable to build fsharp projects using FAKE. Getting "Cannot open assembly'.paket/paket.bootstrapper.exe': No such file or directory." Error

Created a new fsharp project from Visual Studio Code (Version 1.12.2) while trying to build it with FAKE it is showing this error "Cannot open assembly '.paket/paket.bootstrapper.exe': No such file or directory." I checked the .paket folder of my…
vrnithinkumar
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