Notes/Questions

difference between clone, cloned & to_owned?
what does <_> mean?
How does parse work?
- let distance_to_move: &i32 = &movement[1..].parse().unwrap(); vs let distance_to_move = &movement[1..].parse::<i32>().unwrap();
FromIterator
How do I iterate down, (eg, from 10 -> 1)?
The #[] syntax
What derive is and how it works
How does cargo build know to exclude the tests from consideration?
The include_str macro
Calling a function directly in a closure
Difference between usize and u16/u32
passing in functions as arguments

Lessons from PR

PR: #1

I need to refresh my memory on best practices of when to pass by reference and when to pass by value
Storing intermediate values in their own variable can really reduce unnecessary computation
I don't understand how strings map to bytes, I need to get a better understanding. If so, then maybe using bytes would have been a the more obvious choice when I was first writing the code.