---
title: foo - test
layout: api
---

<div class='api-docs-breadcrumbs'><a href="test/index">test</a> / <a href="test/foo">foo</a></div>

# foo

<div class="overload-group" markdown="1">

<div class="signature"><code><span class="keyword">fun </span><span class="identifier">foo</span><span class="symbol">(</span><span class="symbol">)</span><span class="symbol">: </span><span class="identifier">Int</span></code></div>

Groups elements of the original sequence by the key returned by the given <a href="#">keySelector</a> function
applied to each element and returns a map where each group key is associated with a list of corresponding elements.

``` kotlin
if (true) {
    println(property)
}
```

</div>

<div class="overload-group" markdown="1">

<div class="signature"><code><span class="keyword">fun </span><span class="identifier">foo</span><span class="symbol">(</span><span class="parameterName" id="$foo(kotlin.Int)/i">i</span><span class="symbol">:</span>&nbsp;<span class="identifier">Int</span><span class="symbol">)</span><span class="symbol">: </span><span class="identifier">Int</span></code></div>

</div>