<h3 id="heading-url">URL</h3>
<p><a href="https://leetcode.com/problems/subsets/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/subsets</a></p>
<h3 id="heading-code">Code</h3>
<p><a href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0078/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/blob/master/..</a></p>
<pre><code class="lang-fsharp">let rec subsets (nums: int list) : int list list =
    match nums with
    | [] -&gt; [ [] ]
    | head :: tail -&gt;
        let rest = subsets tail
        let prepends = rest |&gt; List.map (fun s -&gt; [ head ] @ s)
        prepends @ rest
</code></pre>


### URL

https://leetcode.com/problems/subsets/

### Code

https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0078/main.fsx

```fsharp
let rec subsets (nums: int list) : int list list =
    match nums with
    | [] -> [ [] ]
    | head :: tail ->
        let rest = subsets tail
        let prepends = rest |> List.map (fun s -> [ head ] @ s)
        prepends @ rest
```

LeetCode 78. Subsets in F#

URL

Code