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| ANSI Common Lisp 2 Syntax 2.4 Standard Macro Characters 2.4.8 Sharpsign ### 2.4.8.6 Sharpsign Dot `#.foo` is read as the object resulting from the evaluation of the object represented by foo. The evaluation is done during the read process, when the `#.` notation is encountered. The `#.` syntax therefore performs a read-time evaluation of foo. The normal effect of `#.` is inhibited when the value of *read-eval* is false. In that situation, an error of type reader-error is signaled. For an object that does not have a convenient printed representation, a form that computes the object can be given using the `#.` notation.

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