Chapter 3
Advanced Smart Contracts with Solidity
Section 4
Using Function Modifiers
We already have a basic understanding of value and reference type variables, but this video provides an in depth lesson on utilizing two key variable types which are more specific to Ethereum development, and which may be new concepts for developers. - Understand how mappings work in Solidity - Understand and making use of structs - Investigate using a struct in a real DApp which is served online