Help / Release / J 5.01 / 128!:2 Apply Implemented
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128!:2 Implements Apply |
initial writing: 2002-05-25 |
x 128!:2 y applies the verb in string x to y . For example:
'+/' 128!:2 i.2 5 5 7 9 11 13 '+/' 128!:2"1 i.2 5 10 35 '+/"1' 128!:2 i.2 5 10 35 ('+/';'|.';'|."1') 128!:2&.><i.2 5 +-----------+---------+---------+ |5 7 9 11 13|5 6 7 8 9|4 3 2 1 0| | |0 1 2 3 4|9 8 7 6 5| +-----------+---------+---------+ '2 3' 128!:2 i.2 5 |syntax error | '2 3' 128!:2 i.2 5 '@' 128!:2 i.2 5 |syntax error | '@' 128!:2 i.2 5
The ranks of 128!:2 are 1 _ ,
that is, apply the lists in the left argument to
the right argument in toto.