



[F#](https://fsharp.org/) 是函数优先的编程语言。 `F#` is a functional-first programming language.

- <https://fsharp.org>

- [Get started with F# with the .NET Core CLI](https://docs.microsoft.com/en-us/dotnet/fsharp/get-started/get-started-command-line)

## Learn

- [Try F# In-Browser](https://try.fsharp.org/)
- [Hello World in 5 minutes](https://dotnet.microsoft.com/en-us/learn/languages/fsharp-hello-world-tutorial/intro)
- [Symbol and operator reference](https://learn.microsoft.com/en-us/dotnet/fsharp/language-reference/symbol-and-operator-reference/)

## Run F# in MacOS

- Install [.Net SDK](https://dotnet.microsoft.com/en-us/download)

- Run F# file

  Create a file called `hello.fsx`

  ```f#
  printfn "Hello World from F#"
  ```

  Now compile and run this F# script

  ```
  dotnet fsi hello.fsx
  ```

## Debug in visual studio

### Add breakpoint
- Select `Debug` 
- Add breakpoint
- Check `Locals` window

### Add Output log
```f#
System.Diagnostics.Debug.WriteLine window.className
```

Check `Output` window


<p><a href="https://fsharp.org/" target="_blank">F#</a> 是函数优先的编程语言。 <code>F#</code> is a functional-first programming language.</p>
<ul>
<li>
<p><a href="https://fsharp.org/" target="_blank">https://fsharp.org</a></p>
</li>
<li>
<p><a href="https://docs.microsoft.com/en-us/dotnet/fsharp/get-started/get-started-command-line" target="_blank">Get started with F# with the .NET Core CLI</a></p>
</li>
</ul>
<h2>Learn</h2>
<ul>
<li><a href="https://try.fsharp.org/" target="_blank">Try F# In-Browser</a></li>
<li><a href="https://dotnet.microsoft.com/en-us/learn/languages/fsharp-hello-world-tutorial/intro" target="_blank">Hello World in 5 minutes</a></li>
<li><a href="https://learn.microsoft.com/en-us/dotnet/fsharp/language-reference/symbol-and-operator-reference/" target="_blank">Symbol and operator reference</a></li>
</ul>
<h2>Run F# in MacOS</h2>
<ul>
<li>
<p>Install <a href="https://dotnet.microsoft.com/en-us/download" target="_blank">.Net SDK</a></p>
</li>
<li>
<p>Run F# file</p>
<p>Create a file called <code>hello.fsx</code></p>
<pre class="language-f#"><code class="language-f#">printfn "Hello World from F#"
</code></pre>
<p>Now compile and run this F# script</p>
<pre class="language-bash"><code>dotnet fsi hello.fsx
</code></pre>
</li>
</ul>
<h2>Debug in visual studio</h2>
<h3>Add breakpoint</h3>
<ul>
<li>Select <code>Debug</code> </li>
<li>Add breakpoint</li>
<li>Check <code>Locals</code> window</li>
</ul>
<h3>Add Output log</h3>
<pre class="language-f#"><code class="language-f#">System.Diagnostics.Debug.WriteLine window.className
</code></pre>
<p>Check <code>Output</code> window</p>

CL's Blogs

F#

Learn

Run F# in MacOS

Debug in visual studio

Add breakpoint

Add Output log