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| author | Kaz Kylheku <kaz@kylheku.com> | 2016-10-03 06:39:10 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2016-10-03 06:39:10 -0700 |
| commit | 51c3df60e45f40335904ce6255896ee0f661d856 (patch) | |
| tree | 66125374da30e42042e251cb7c0d7f817afbfc70 /txr.1 | |
| parent | 9378cb7d1ea79de9fc20bdfeb5b5c912189cb6cb (diff) | |
| download | txr-51c3df60e45f40335904ce6255896ee0f661d856.tar.gz txr-51c3df60e45f40335904ce6255896ee0f661d856.tar.bz2 txr-51c3df60e45f40335904ce6255896ee0f661d856.zip | |
doc: missing documentation on less over ranges.
* txr.1: Document how the less function operates on
ranges, and that ranges rank between numbers and strings
on the comparison precedence for dissimilar types.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 24 |
1 files changed, 22 insertions, 2 deletions
@@ -15385,12 +15385,32 @@ is the outcome of comparing those differing elements themselves with .codn less . +Two ranges are compared by +.code less +using lexicographic logic similar to conses and vectors. +The +.code from +fields of the ranges are first compared. If they are not +.codn equal , +equal then +.code less +is applied to those fields and the result is returned. +If the +.code from +fields are +.codn equal , +then +.code less +is applied to the +.code to +fields and that result is returned. + If the two arguments are of the above types, but of mutually different types, then .code less resolves the situation based on the following precedence: numbers and -characters are less than strings, which are less than symbols, -which are less than conses, which are less than vectors. +characters are less than ranges, which are less than strings, which are less +than symbols, which are less than conses, which are less than vectors. Note that since .code nil |