---
category: ''
date: '2024-06-09T16:06:36Z'
description: ''
link: ''
slug: ''
tags: croupier, crystal, programming
title: v0.5.1
type: text
---
<div>
A new <a href="https://github.com/ralsina/croupier/releases">release</a>
of <a href="https://github.com/ralsina/croupier">Croupier</a>
my <a href="https://crystal-lang.org">Crystal</a> library for tasks and
dataflow programming is out!


<ul>
<li>Add support for tasks depending on directories</li>
<li>New <code>fast_dirs</code> mode in TaskManager for cheaper directory checks</li>
<li>Add progress callback</li>
<li>Add support for passing blocks to Tasks:</li>
</ul>
<div class="highlight highlight-source-crystal notranslate position-relative overflow-auto"><pre><span class="pl-c1">Croupier</span>::<span class="pl-c1">Task</span>.new <span class="pl-c1">output:</span> <span class="pl-s"><span class="pl-pds">"</span>fileA<span class="pl-pds">"</span></span>, <span class="pl-c1">inputs:</span> [<span class="pl-s"><span class="pl-pds">"</span>input.txt<span class="pl-pds">"</span></span>] <span class="pl-k">do</span>
  <span class="pl-c1">puts</span> <span class="pl-s"><span class="pl-pds">"</span>task1 running<span class="pl-pds">"</span></span>
  <span class="pl-c1">File</span>.read(<span class="pl-s"><span class="pl-pds">"</span>input.txt<span class="pl-pds">"</span></span>).downcase
<span class="pl-k">end</span></pre></div>
<p><strong>Full Changelog</strong>: <a class="commit-link" href="https://github.com/ralsina/croupier/compare/v0.5.0...v0.5.1"><tt>v0.5.0...v0.5.1</tt></a></p>
</div>