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Seven Obscure Languages in Seven Weeks
book

Seven Obscure Languages in Seven Weeks

by Dmitry Zinoviev
October 2024
Intermediate to advanced
272 pages
6h 54m
English
Pragmatic Bookshelf
Content preview from Seven Obscure Languages in Seven Weeks

Writing Comments and “Hello, World!”

Many programming languages use a stack (as a matter of fact, any language that supports recursive function calls, such as C or Java, probably uses a stack). The extraordinary feature of Forth is that it uses not one stack but two: one for data (the data stack) and one for control (the return stack). And, unlike the stacks in C or Java, which are invisible to the programmer, the Forth stacks can and should be manipulated explicitly.

Before you see the stacks in action, I must say a word or two about the typing convention, comments, and the "Hello, world!" program in Forth.

Forth supports several commenting styles:

  • \ text (backslash followed by at least one space) comments the remainder of the current ...

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Publisher Resources

ISBN: 9798888651421Errata Page