This is going to be our custom Error type

Boxes enable you to use traditional OOP polymorph

Client holds whatever state your client might have

ConnectionHandler manages a list of connections in a parallelly safe way

You can implement default easily for your own types

This logger will write logs into a file on disk

trait definitions have to be in "consumer" crate

The ball will survive until all kids are done playing with it

NaiveMutex is an easy, albeit very suboptimal, implementation of a Mutex ("Mutual Exclusion"), similar to std::sync::Mutex A mutex is a lock that only

This is a RAII guard, identical to the one from the last chapter

This is a safe wrapper around the low level struct

Access to a locked SomeOsFunctionality is wrapped in a guard that automatically unlocks it when dropped

This represents a low level, close to the metal OS feature that needs to be locked and unlocked in some way in order to be accessed and is usually uns

The following struct could be rewritten with a builder