What is a macro

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Somthing that looks like a function but ends with an exclamation point. e.g. println!

• DRY - Don't Repeate Yourself
• Metaprogramming - a program that generate a program
• DSL - Domain Specific Language
• Variadic Interfaces (the same function name but different number of arguments, eg. sum())

• Macros in the reference
• The Little book of Rust Macros
• Macros tutorial

• print!
• println!
• vec!
• todo!
• include_str!
• include_bytes!
• unimplemented!
• matches!

• Full list of standard macros
• Crates tagged as macro