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| Think about Loose Coupling | |
| PerlMonks |
Re^3: What is (a => b => c) ?by ikegami (Patriarch) |
| on Mar 27, 2015 at 18:17 UTC ( [id://1121547]=note: print w/replies, xml ) | Need Help?? |
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Not at all. Prepending & to a sub call causes the sub call to ignore the sub's prototype. Prepending & to a sub call with no parameter list specified (not even ()) causes the sub call to ignore the sub's prototype, and forgoes the creation of a localized @_. These are not thing you should ever need to do. Because it must be followed by a sub call, & has the side effect of forcing the following word to be treated as the name of a sub, but that's just a side effect.
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