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I found that Lisp nicknames, as defined in CLHS, have a few problems that I will count here.
The solution I provide here is a different approach to nicknames that does not use any of the original nickname code, as defined in CLHS.
Pseudonyms, in opposition to nicknames, can be defined by the user inside one’s code, like this:
> (defpseudonym "longpackagename" "lpn")
And removed like this:
> (pmakunbound "lpn") ;; OR (pmakunbound "longpackagename")
From within the code, one can refer to a pseudonymized package this way:
A reader macro will automatically translate it to its normal version of
longpackagename:something. This is usable both within the REPL and within usual code.
All pseudonyms are local to the current package: for instance, pseudonyms defined within CL-USER are not usable anywhere outside the CL-USER package.
An utility function
print-pseudonyms will print all pseudonyms for a given package. If not supplied a package name as an argument, it will print all pseudonyms for current package (as shown by the
*package* global variable).