die with a helpful error message if $TYPE_MAP{$isa}->() returned something useless
-rw-r--r-- .gitignore
-rw-r--r-- Changes
-rw-r--r-- Makefile.PL
drwxr-xr-x benchmark
drwxr-xr-x lib
drwxr-xr-x maint
drwxr-xr-x t
drwxr-xr-x xt