Pragmatic directives: Difference between revisions

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→‎{{header|D}}: Directives in Common Lisp
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=== Feature Expressions ===
=== Feature Expressions ===


Common Lisp provides a way for conditional reading or ignoring of expressions. A variable called lists the available features of an implementation.
Common Lisp provides a way for conditional reading or ignoring of expressions. A variable lists the available features of an implementation.


Clozure Common Lisp:
Clozure Common Lisp: