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[ 源代码: libreadonly-xs-perl  ]

软件包:libreadonly-xs-perl(1.05-1 以及其他的)

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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.

标签: 软件开发: Perl 开发, 函数库, 实做语言: implemented-in::c, implemented-in::perl, 角色: 开发用函数库

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硬件架构 版本 软件包大小 安装后大小 文件
amd64 1.05-1+b6 9.5 kB42.0 kB [文件列表]