Learn Rust in a Month of Lunches

11 Multiple threads and a lot more

This chapter covers

• The todo! macro to make the compiler quiet for a while
• Type aliases to create different names but not new types
• The Cow enum, which allows you to choose to borrow or own data however you want
• Rc, which allows shared instead of unique ownership
• Using multiple threads to run many things at the same time

You’re getting pretty good at Rust by now, so it’s time to take a look at some more advanced types. This chapter doesn’t really have a single theme. Instead, we’ll look in turn at some advanced subjects: Cow, type aliases, Rc, and multiple threads. Understanding how multiple threads work is probably the hardest part of this chapter. The famous Cow type (yes, that’s its real name) is a little ...