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| author | Kaz Kylheku <kaz@kylheku.com> | 2019-04-21 03:36:43 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2019-04-21 03:36:43 -0700 |
| commit | effd37e7ed64dd0300b37af1a102febea84c9504 (patch) | |
| tree | 84b70cf4e842b13a1244d6420f111e085d78c122 /txr.1 | |
| parent | 6c6d60171a53742ae856a59f063a229e990141b6 (diff) | |
| download | txr-effd37e7ed64dd0300b37af1a102febea84c9504.tar.gz txr-effd37e7ed64dd0300b37af1a102febea84c9504.tar.bz2 txr-effd37e7ed64dd0300b37af1a102febea84c9504.zip | |
New function: window-mapdo.
* lib.c (enum wmap_op): New enum type.
(window_map_list): Use enum wmap_op for last argument instead
of Boolean flag. If the argument is WMAP_MAPDO, do not
accumulate.
(window_map_vec, window_map, window_mapped): Adjust to new
enum argument.
(window_mapdo): New function.
* lib.h (window_mapdo): Declared.
* eval.c (eval_init): window-mapdo intrinsic registered.
* txr.1: Documented.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -29488,10 +29488,11 @@ on a list of the arguments. The following equivalences hold: (zip '(a b c) '(c d e)) -> ((a c) (b d) (c e)) .brev -.coNP Functions @ window-map and @ window-mappend +.coNP Functions @, window-map @ window-mappend and @ window-mapdo .synb .mets (window-map < range < boundary < function << sequence ) .mets (window-mappend < range < boundary < function << sequence ) +.mets (window-mapdo < range < boundary < function << sequence ) .syne .desc The @@ -29528,6 +29529,13 @@ they perform a .IR "sliding window mapping" , whose description follows. +The function +.code window-mappend +avoids accumulating a sequence, and instead returns +.codn nil ; +it is analogous to +.codn mapdo . + The argument to the .meta range parameter must be a positive integer, not exceeding 512. |