<h2 id="heading-url">URL</h2>
<p><a href="https://leetcode.com/problems/reverse-string/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/reverse-string</a></p>
<h2 id="heading-code">Code</h2>
<p><a href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/challenge/202204/reverse_string/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/blob/master/..</a></p>
<pre><code class="lang-fsharp">let reverseString (s: char []) =
    let rec reverseString' (s: char []) left right =
        if left &gt;= right then
            ()
        else
            let tmp = s.[left]
            s.[left] &lt;- s.[right]
            s.[right] &lt;- tmp

            reverseString' s (left + 1) (right - 1)

    reverseString' s 0 (s.Length - 1)
    ()
</code></pre>


## URL

https://leetcode.com/problems/reverse-string/

## Code

https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/challenge/202204/reverse_string/main.fsx

```fsharp
let reverseString (s: char []) =
    let rec reverseString' (s: char []) left right =
        if left >= right then
            ()
        else
            let tmp = s.[left]
            s.[left] <- s.[right]
            s.[right] <- tmp

            reverseString' s (left + 1) (right - 1)

    reverseString' s 0 (s.Length - 1)
    ()
```

LeetCode 344. Reverse String in F#

URL

Code