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Diffstat (limited to 'txr.1')
-rw-r--r-- | txr.1 | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -18434,6 +18434,38 @@ is not divisible by two (odd), otherwise it returns .codn nil . +.coNP Functions @, succ @, ssucc @, sssucc @, pred @, ppred @ and pppred +.synb +.mets (succ << number ) +.mets (ssucc << number ) +.mets (sssucc << number ) +.mets (pred << number ) +.mets (ppred << number ) +.mets (pppred << number ) +.syne +.desc +The +.code succ +function adds 1 to its argument and returns the resulting value. +If the argument is an integer, then the return value is the successor +of that integer, and if it is a character, then the return value +is the successor of that character according to Unicode. + +The +.code pred +function subtracts 1 from its argument, and under similar considerations +as above, the result represents the predecessor. + +The +.code ssucc +and +.code sssucc +functions add 2 and 3, respectively. Similarly, +.code ppred +and +.code pppred +subtract 2 and 3 from their argument. + .coNP Functions @, > @, < @, >= @ <= and @ = .synb .mets (> < number << number *) |