Mini-rust in Rust 039: Spans should be ranges

We&#x27;ve been tracking the location of a token in the file using a pair of numbers, but Rust has a better way: a Range . After some debate and wandering, we make the code a little better with this change. The interlude music is Blood, Collateral, & Otherwise by Hunk Golden , used under the Attribution 4.0 International License . You can find the source code at…