diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 31 |
1 files changed, 31 insertions, 0 deletions
@@ -8847,6 +8847,22 @@ can be used in functional programming as higher order functions, whereas the bracket notation is syntactic sugar, and set is an operator, not a function. Therefore the brackets cannot replace all uses of ref and refset. +.SS Function update + +.TP +Syntax: + + (update <sequence-or-hash> <function>) + +.TP +Description: + +The update function replaces each elements in a sequence, or each value +in a hash table, with the value of <function> applied to that element +or value. + +The sequence or hash table is returned. + .SS Function sort .TP @@ -9788,6 +9804,21 @@ the equal function instead. In addition to storing key-value pairs, a hash table can have a piece of information associated with it, called the user data. +.SS Function hash-update + +.TP +Syntax: + + (hash-update <hash> <function>) + +.TP +Description: + +The update function replaces each values in <hash>, with the value of +<function> applied to that value. + +The return value is <hash>. + .SS Function group-by .TP |