The standard library quickstring_red_black_map package implements quickstring__premicrothread-keyed maps.
The quickstring_red_black_map package implements the Map API via red_black_map_g from src/lib/src/red-black-set-g.pkg.
The quickstring_red_black_map package source code is in src/lib/src/quickstring-red-black-set.pkg.
The above information is manually maintained and may contain errors.
Map?