Terminology is important, but relevant and precise terminology arises natually, from a need! “Callback”, for example, never had this cult or passionate discourse about its being, because that term arouse naturally. But there was never a natural need for labeling of encapculated global variables as “singletons” or other similarly trivial concepts as “visitor”, “observer”, or what-have-you patterns. These patterns are entirely artificial concepts, borne out of the only need they were ever close to — the need for academic masturbation!
Christer Ericson
Alisey
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