Lab: Mappings and Structs
In this lab you are going learn how mappings work.
Mappings are a little bit like arrays or hash maps. You can store key/value pairs.
What You Know At The End Of The Lab
🔄 You’ll know how mappings work.
⭐ You’ll learn a new way to create account-white lists.
Prerequisites - You need:
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Chrome or Firefox browser.
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An Internet connection
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About 30 Minutes of your precious time ⌛
Get Started
💪 💪 💪 Let’s get started!
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