[plt-scheme] Checking to see if a key is present in a hash table

From: David T. Pierson (dtp at mindstory.com)
Date: Sun Feb 26 19:51:34 EST 2006

This whole thread seems to beg the question:

Why isn't there a built-in hash-table-exists? (or -contains?) function
for this purpose?

I do notice there is one for srfi 69 hash tables.


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