Talk:Menu: Difference between revisions
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==J implementation==
Here are some introductory notes for people not familiar with J, who might care about the
<lang J>select=: ({::~ 'choose a number 0..' 0&".@prompt@, ': ',~ ":@<:@# [ i.@# smoutput@,&":&> ' '&,&.>) :: (select@([ smoutput bind 'please choose a valid number'))</lang>
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