feat(tazjin/rlox): Add initial support for strings r/2258

... including concatenation.

This diverges significantly from the book, as I'm using std::String
instead of implementing the book's whole heap object management
system.

It's possible that Lox in Rust actually doesn't need a GC and the
ownership model works just fine.

Change-Id: I374a0461d627cfafc26b2b54bfefac8b7c574d00
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2577
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>

0 files changed, 0 insertions, 0 deletions