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| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2023-10-16 19:03:02 +0200 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2023-10-16 19:03:02 +0200 |
| commit | b305116d15d9b809ee0601261565cc354cde88bc (patch) | |
| tree | c3af05ee77ed2f6ff4b647ebb95f86e93b6b93a2 /doc | |
| parent | Update number of tests. (diff) | |
| download | calp-b305116d15d9b809ee0601261565cc354cde88bc.tar.gz calp-b305116d15d9b809ee0601261565cc354cde88bc.tar.xz | |
Move `false?` to type module.
Diffstat (limited to 'doc')
| -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 |