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:Interpreted languages generally have (or could have) self-modification arrangements though these are usually via some special form or modification of the disc file containing the statements. An "eval" statement is a step further away from self modification. But Snobol contains features that could be regarded as self-modification (as during pattern matches), and also contains its source statements as a text array open to manipulation. So it is not just Lisp. If you prepare some examples, explanations will be needed for non-Lispers. But would they introduce a new idea? Such as demonstrating some desirable action by routine use of self-modification? [[User:NickyMcLean|NickyMcLean]] ([[User talk:NickyMcLean|talk]]) 20:45, 25 January 2010 (UTC)
== Simplify maintenance? ==
Quote from the frist line: "In computer science, self-modifying code is code that alters its own instructions while it is executing - usually to reduce the instruction path length and improve performance or simply to reduce otherwise repetitively similar code, thus simplifying maintenance."
How does self modifying code simplify maintenance? It seems like it actually makes maintenance harder since it is usually more difficult to figure out what the hell is going on.
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