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Parsing via metaprogramming

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This blog post is adapted from my book The Tcl Programming Language.

What is metaprogramming? Roughly speaking, metaprogramming involves writing a program that in turn writes a program to do the desired task. In some cases metaprogramming makes for simpler or more succinct code while in others it optimizes performance by generating specialized code at runtime. Tcl lends itself naturally to this style of programming. This article illustrates one such use.

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