Notes

• docs can be seen using cargo doc --open
• expect on Result finishes program with error, alternative is match on Result
• cargo new library --lib
• use includes in scope only what was given - one could use "*"

use amodule::sth::aBunchOfFunctions;
aBunchOfFunctions::fun()

• use

::someModule::function <- to instruct rust to search inside of main directory
super::someModule::function <- search in parent module 

• macro expand:

$ cargo expand //if cargo install cargo-expand was executed

otherwise

$ cargo rustc --profile=check -- -Zunpretty=expanded