[ 源代码： liblexical-underscore-perl ]
软件包：liblexical-underscore-perl（0.004-2）
liblexical-underscore-perl 的相关链接
Debian 的资源：
下载源码包 liblexical-underscore-perl：
- [liblexical-underscore-perl_0.004-2.dsc]
- [liblexical-underscore-perl_0.004.orig.tar.gz]
- [liblexical-underscore-perl_0.004-2.debian.tar.xz]
维护小组：
外部的资源：
- 主页 [metacpan.org]
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access your caller's lexical underscore
Starting with Perl 5.10, it is possible to create a lexical version of the Perl default variable $_. Certain Perl constructs like the "given" keyword automatically use a lexical $_ rather than the global $_.
It is occasionallly useful for a sub to be able to access its caller's $_ variable regardless of whether it was lexical or not. The "(_)" sub prototype is the official way to do so, however there are sometimes disadvantages to this; in particular it can only appear as the final required argument in a prototype, and there is no way of the sub differentiating between an explicitly passed argument and $_.
lexical::underscore allows you to access your caller's lexical $_ variable as easily as:
${lexical::underscore()}
其他与 liblexical-underscore-perl 有关的软件包
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- dep: libpadwalker-perl
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- dep: perl
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- dep: sgml-base (>= 1.28)
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