---
title: "Refactoring legacy and concurrent thread API with Testing."
tags: "iPlayground2020"
---

# Refactoring legacy and concurrent thread API with Testing.

{%hackmd vUibBZG0ToSRiPuj0wOKvg %}

<!-- {%speakerdeck hokila/iplayground-2019-opening-first-day %} -->

> 請從這裡開始

###### tags:`iPlayground2020`