Recipe	Crates
Option
Use Adapters when Working with References
Extract the Value Contained in Option
Use Combinators

Recipe	Crates
Result

Recipe	Crates
Vec

Recipe	Crates
Hashmaps

Recipe	Crates
String
String Formatting; Placeholders
Concatenate Strings

Recipe	Crates
Convert Cow to &str
Convert Cow to String

Recipe	Crates
Box
Rc
RefCell
Cell
OnceCell

Recipe	Crates
Automatically implement common traits using the derive attribute
Derive More

Recipe	Crates
AsRef and &T