notes.md

Advent of Code Dev Notes

Day 1

General problem

Read lines from file, perform same arithmatic operation per-line. Sum results.

Hangups

• How to read a file?
  • fs::read_to_string -> split by newline -> parse to u32
• How to use iterators?
  • Convert read file to Vec. Transform via maths. Sum result.
  • Vec::iter::map Does Vec.iter() have its own type.
• Proper type conversions: String to u32