design.md

Learning objectives

• Know what structs are.
• Know how to define a struct.
• Know how to add members to structs.
• Know the differences between structs and classes.

Out of scope

• ref structs.
• ref returns
• ref locals
• readonly structs
• Struct finalizers.
• Span<T>/Memory<T>
• stackalloc

Concepts

This Concepts Exercise's Concepts are:

• structs: know xx what structs are; know how to define a struct; know how to add members to structs; know the differences between structs and classes.

Prerequisites

• inheritance: know that all types are derived from object.
• classes: know how to define and work with classes.
• numbers:
• sets: know how to define and work with a HashSet
• signed-integers/integral-numbers: for ushort