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[ 源代码: libreadonly-xs-perl  ]

软件包: libreadonly-xs-perl (1.05-1build5)

faster Readonly implementation

The Readonly module (q.v.) is an effective way to create non-modifiable variables. However, it's relatively slow.

The reason it's slow is that is implements the read-only-ness of variables via tied objects. This mechanism is inherently slow. Perl simply has to do a lot of work under the hood to make tied variables work.

This module corrects the speed problem, at least with respect to scalar variables. When Readonly::XS is installed, Readonly uses it to access the internals of scalar variables. Instead of creating a scalar variable object and tying it, Readonly simply flips the SvREADONLY bit in the scalar's FLAGS structure.

其他与 libreadonly-xs-perl 有关的软件包

  • 依赖
  • 推荐
  • 建议
  • dep: libc6 (>= 2.1.3)
    GNU C Library: Shared libraries
    同时作为一个虚包由这些包填实: libc6-udeb
  • dep: perl (>= 5.26.0-4)
    Larry Wall's Practical Extraction and Report Language
  • dep: perlapi-5.26.0
    本虚包由这些包填实: perl-base
  • rec: libreadonly-perl
    facility for creating read-only scalars, arrays and hashes

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硬件架构 软件包大小 安装后大小 文件
i386 9.3 kB33 kB [文件列表]