diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 26 |
1 files changed, 25 insertions, 1 deletions
@@ -57039,9 +57039,10 @@ Separate the integers 1\(en10 into even and odd, and sum these groups: -> #H(() (t 30) (nil 25)) .brev -.coNP Function @ hist-sort +.coNP Functions @ hist-sort and @ hist-sort-by .synb .mets (hist-sort < sequence << option *) +.mets (hist-sort-by < by-fun < sequence << option *) .syne .desc The @@ -57072,6 +57073,29 @@ if any, consist of the same keywords that are understood by the .code hash function, and determine the properties of that hash. +The +.code hist-sort-by +function differs from +.code hist-sort +in that it requires an additional argument +.meta by-fun +with the following semantics: every element of +.meta sequence +is passed to +.meta by-fun +such that the resulting value is used as the hash key in the resulting +histogram. + +Thus, an invocation of +.code hist-sort +is equivalent to an invocation of +.code hist-sort-by +where the +.meta by-fun +argument is specified as the +.code identity +function. + .TP* Examples .verb |