const TRIANGLE: [usize; 10];Expand description
Triangular numbers offset by two. Files can be a max size of 9 so we only need the first 10 values, including zero to make indexing easier.
const TRIANGLE: [usize; 10];Triangular numbers offset by two. Files can be a max size of 9 so we only need the first 10 values, including zero to make indexing easier.