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If we deparse this to see how perl will it makes a certain kind of sense
## deparse output as deparsed by -MO=Deparse,-p print(sort(f(0))); # case 1 print((sort f 0)); # case 2 print(sort(&f(0))); # case 3 print((sort f 0)); # case 4 print((sort f 0)); # case 5 print(sort(&f(0))); # case 6 sub f { 1; } - syntax OK
So, cases 1, 3 and 6 all behave the same (i.e call f) and cases 2, 4 and 5 behave the same (i.e sort on 0, which, as a single element list, is already sorted, so f isn't called). And that's the end of that chapter.
HTH

_________
broquaint


In reply to Re: Unexpected difference in whitespace parsing in subroutine calls. by broquaint
in thread Unexpected difference in whitespace parsing in subroutine calls. by Lexicon

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