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Diffstat (limited to 'doc/ref/general/util-type.texi')
| -rw-r--r-- | doc/ref/general/util-type.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/ref/general/util-type.texi b/doc/ref/general/util-type.texi index 104b00b3..3a6cba3e 100644 --- a/doc/ref/general/util-type.texi +++ b/doc/ref/general/util-type.texi @@ -60,3 +60,15 @@ Useful at the start of procedures. Returns the current procedure name as a symbol, or @code{#f} if not found. @end defmac + +@defun false? x +An alias of @code{not}. Usefull in type predicates when introducing optional +types, since +@example +(or false? integer?) +@end example +is much clearer than +@example +(or not integer?) +@end example +@end defun |