development/libraries

perl-Eval-Closure - Safely and cleanly create closures via string eval

Website: http://search.cpan.org/dist/Eval-Closure/
License: GPL+ or Artistic
Vendor: city-fan.org repo http://www.city-fan.org/ftp/contrib/
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).

Packages

perl-Eval-Closure-0.14-1.fc17.noarch [22 KiB] Changelog by Paul Howarth (2016-05-29):
- Update to 0.14
  - A couple of minor optimizations (GH#8)
- BR: perl-generators where available
- Simplify find command using -delete
- Update patch for building with old Test::More versions

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