Please use the newer Cookbook! https://lispcookbook.github.io/cl-cookbook/data-structures.html#hash-table https://lispcookbook.github.io/cl-cookbook/data-struct

Please use the newer Cookbook! https://lispcookbook.github.io/cl-cookbook/data-structures.html#hash-table https://lispcookbook.github.io/cl-cookbook/data-structures.h... For a short hash-table notation, I now use Serapeum's dict: (dict :a 1 :b 2) and that's it, you now have a hash-table (with a representation than can also be read back in by the lisp reader).