fb16dfecae
Commit b7f05445c0 has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.
Approved by: portmgr (tcberner)
22 lines
1.4 KiB
Text
22 lines
1.4 KiB
Text
Lexical::Import allows functions and other items, from a separate module, to be
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imported into the lexical namespace (as implemented by Lexical::Var), when the
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exporting module exports non-lexically to a package in the traditional manner.
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This is a translation layer, to help code written in the new way to use modules
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written in the old way.
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A lexically-imported item takes effect from the end of the definition statement
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up to the end of the immediately enclosing block, except where it is shadowed
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within a nested block. This is the same lexical scoping that the my, our, and
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state keywords supply. Within its scope, any use of the single-part name of the
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item (e.g., "$foo") refers directly to that item, regardless of what is in any
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package. Explicitly package-qualified names (e.g., "$main::foo") still refer to
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the package. There is no conflict between a lexical name definition and the same
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name in any package.
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This mechanism only works on Perl 5.11.2 and later. Prior to that, it is
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impossible for lexical subroutine imports to work for bareword subroutine calls.
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(See "BUGS" in Lexical::Var for details.) Other kinds of lexical importing are
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possible on earlier Perls, but because this is such a critical kind of usage in
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most code, this module will ensure that it works, for convenience. If the
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limited lexical importing is desired on earlier Perls, use Lexical::Var
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directly.
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