Symbol (programming): Difference between revisions

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In Common Lisp symbols may use any characters, including whitespace, such as spaces and newlines. If a symbol contains a whitespace character it needs to be written as |this is a symbol|. Symbols can be used as identifiers for any kind of named programming constructs: variables, functions, macros, classes, types, goto tags and more.

Symbols can be interned in a package.<ref>[http://www.lispworks.com/documentation/HyperSpec/Body/t_pkg.htm#package Common Lisp HyperSpec, system class Package]</ref> Keyword symbols are self-evaluating<ref>[[Peter Norvig]]: ''Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp'', Morgan Kaufmann, 1991, {{ISBN |1-55860-191-0}}, [http://norvig.com/paip.html Web]</ref> and interned in the package named KEYWORD.

====Examples====