prometheansacrifice

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Learning about conditional directives with GPT

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#+arm64
(sys.int::cal "sys:source;gui;blit-generic.lisp")

What is #+arm64 in this snippet

#+arm64 in the snippet is a conditional compilation directive used in Common Lisp. It specifies that the following expression (sys.int::cal "sys:source;gui;blit-generic.lisp") is to be included or executed only if the arm64 feature is present in the Lisp environment. This is part of the Common Lisp conditionalization system, allowing for code to be selectively compiled or loaded based on the presence of certain features, making it easier to write portable and platform-specific code.

Created: 2025-05-24 Sat 10:55