==

Is bound to the second item on the Lisp clipboard. =, == and === are for the convenience of users. For example, (+ = ==) adds together the top two items from the clipboard.

Warning for prolog users

Allegro Prolog also has a variable named ==. Using both the cg package and the prolog package will result in a comflict. If you want to ensure that == refers to prolog:== (the likely desire since cg:== seems to be little used), when the package using both is the current package, load the prolog module -- (require :prolog), evaluate (shadowing-import '(prolog:==)), and the evaluate (use-package :prolog).

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This page was not revised from the 8.1 page.
Created 2010.1.21.