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Hook::LexWrap (Score:2)

by bart (450)

In Hook::LexWrap [cpan.org], you can make the pre-hook sub return prematurely, instead of going on to running the real, original sub. You do that by assigning a return value to the extra parameter that it gets. See Short-circuiting and long-circuiting return values [cpan.org]
Sub::Delete (Score:1)

by srezic (8057)

I use Sub::Delete [cpan.org] to remove a method definition in libwww-perl, to workaround the bug mentioned here: https://rt.cpan.org/Ticket/Display.html?id=22839 [cpan.org]