rustup doc # your local rust install documentation
cargo new # create a new project
cargo run # runs cargo build then runs the exe
cargo run --release # macro: 'debug_assertions' OFF, so this will not compile 
                    # code that is guard by this macro.
cargo run -q # quiet
cargo doc # build html docuemntatin for every dependency in the project
cargo install {crate} # install crates
cargo add {crate} # add crate to Cargo.toml
cargo doc # render documentation for all crates you depend on
cargo doc --open

// format as a binary via the std::fmt::Binary trait with 32 zeroes padded on the left
println!("{:032b}", x);
//01000010001010011010111000010100

#  // Inner - applies to the thing it's infront of
#! // Outer - applies to the thing it's inside of

// Same logic as comments for documentation /// (infront of) and //! (module level)

#![allow(unused_variables)] // tells the compiler..

#[derive(Debug)] // generates a debug string for your struct or enum