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cl:functions:standard-char-p [2019/11/11 05:00]
cl:functions:standard-char-p [2019/12/15 08:00] (current)
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 +====== Function STANDARD-CHAR-P ======
 +
 +====Syntax====
 +  * **standard-char-p** //​character//​ → //​generalized-boolean//​
 +
 +====Arguments and Values====
 +  * //​character//​ - a //​[[CL:​Glossary:​character]]//​.
 +  * //​generalized-boolean//​ - a //​[[CL:​Glossary:​generalized boolean]]//​.
 +
 +====Description====
 +Returns //​[[CL:​Glossary:​true]]//​ if //​character//​ is of //​[[CL:​Glossary:​type]]//​ **[[CL:​Types:​standard-char]]**;​ otherwise, returns //​[[CL:​Glossary:​false]]//​.
 +
 +====Examples====
 +<​blockquote> ​
 +(standard-char-p #\Space) <​r>//​[[CL:​Glossary:​true]]//​ </r>
 +(standard-char-p #\~) <​r>//​[[CL:​Glossary:​true]]//​ </r>
 +
 +;; This next example presupposes an implementation in which #\Bell is a defined character. ​
 +(standard-char-p #\Bell) <​r>//​[[CL:​Glossary:​false]]//</​r>​
 +</​blockquote>​
 +
 +====Affected By====
 +None.
 +
 +====Exceptional Situations====
 +Should signal an error of type type-error if //​character//​ is not a //​[[CL:​Glossary:​character]]//​.
 +
 +====See Also====
 +None.
 +
 +====Notes====
 +None.
 +