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openSUSE:12.2
perl-Eval-Closure
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<package name="perl-Eval-Closure" project="openSUSE:12.2"> <title>Safely and cleanly create closures via string eval</title> <description>String eval is often used for dynamic code generation. For instance, 'Moose' uses it heavily, to generate inlined versions of accessors and constructors, which speeds code up at runtime by a significant amount. String eval is not without its issues however - it's difficult to control the scope it's used in (which determines which variables are in scope inside the eval), and it can be quite slow, especially if doing a large number of evals. This module attempts to solve both of those problems. It provides an 'eval_closure' function, which evals a string in a clean environment, other than a fixed list of specified variables. It also caches the result of the eval, so that doing repeated evals of the same source, even with a different environment, will be much faster (but note that the description is part of the string to be evaled, so it must also be the same (or non-existent) if caching is to work properly).</description> <person userid="pbleser" role="bugowner"/> </package>
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