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Re^5: Dynamic Package Name & Subroutine Call

by ikegami (Pope)
on Dec 17, 2012 at 13:06 UTC ( #1009161=note: print w/replies, xml ) Need Help??


in reply to Re^4: Dynamic Package Name & Subroutine Call
in thread Dynamic Package Name & Subroutine Call

That makes no sense. This isn't a change; can has never done the right thing for non-methods.

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Re^6: Dynamic Package Name & Subroutine Call
by Anonymous Monk on Dec 17, 2012 at 13:10 UTC

    sure it has :)

    $ perl -le " sub fudge { 42 } print main->can(q/fudge/)->() " 42
      That has always searched main's inheritance tree in the case where &main::fudge didn't exist, and that's not the right thing for subs.

        That has always searched main's inheritance tree in the case where &main::fudge didn't exist, and that's not the right thing for subs.

        Sure, but setting up an inheritance tree for main is the bug :)

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[1nickt]: kgb not quite as simple as ... and ...; are interchangeable. There are edge cases, shown in perlsyn.
[1nickt]: Hm well actually I guess it's not the trailing semi-colon that's at issue there, it's disambiguation between the ellipsis and the binary flip-flop
[1nickt]: Although the example given does not produce an error as stated, on my perl.
[1nickt]: perl -wE 'say for map { ... } 1..3;' # "Unimplemented at -e line 1" ... <c>perlsyn says that should throw a syntax error...
[karlgoethebier]: 1nickt: "Edge cases..." Yes, it seems so. Thanks Nick

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