Moves the hashmap related files into their own directory Signed-off-by: Joshua Lilly <jgl@fb.com>
* Add a flexible Hashmap API * Add a Separate-Chaining Hashmap Implementation * Add a Open-Addressing Linear Probe Hashmap Implementation * Add a C-Wrapper for `std::unordered_map` for benchmarking Signed-off-by: Chris Friedt <cfriedt@meta.com>