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| author | Kaz Kylheku <kaz@kylheku.com> | 2023-03-26 16:37:54 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2023-03-26 16:37:54 -0700 |
| commit | ab59762e97c7f68f271fde7401d93c26bbbe7d6d (patch) | |
| tree | ccde357039e09ec823b545aab369ae94308471f0 /txr.1 | |
| parent | d152f874b7096d6642a00b8237a94b6fd9991c00 (diff) | |
| download | txr-ab59762e97c7f68f271fde7401d93c26bbbe7d6d.tar.gz txr-ab59762e97c7f68f271fde7401d93c26bbbe7d6d.tar.bz2 txr-ab59762e97c7f68f271fde7401d93c26bbbe7d6d.zip | |
New function: arithp.
* lib.h (arithp): Declared.
(plus_s): Existing symbol declared.
* arith.c (arithp): New function.
* struct.h (special_slot): New enum member plus_m.
* struct.c (special_sym): Register plus_s together as
the [plus_m] entry of the array.
* tests/016/arith.tl
* tests/016/ud-arith.tl: Tests for arithp.
* txr.1: Documented.
* stdlib/doc-syms.tl: Updated.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -48806,6 +48806,28 @@ a or .codn float . +.coNP Function @ arithp +.synb +.mets (arithp << object ) +.syne +.desc +The +.code arithp +function returns true if +.met object +is a character, integer, floating-point number, range or a user-defined arithmetic object. +For a range, +.code t +is returned without examining the values of the +.code from +and +.code to +fields. +A user-defined arithmetic object is identified as a struct type which +implements the +.code + +method as a static slot. + .coNP Functions @ zerop and @ nzerop .synb .mets (zerop << number ) |