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Fix Sub::Defer but without the sub names #8

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@oschwald oschwald commented Jun 3, 2017

This is the same as #7 but with the commit for the sub names dropped. That commit causes test failures depending on load order.

oschwald added 2 commits June 2, 2017 13:22
This is to maintain compatibility with modules that declare types but
never use them. In 0.49, this could cause an exception if
Sub::Defer::undefer_all was called.
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Ping. @autarch, any thoughts on this? See moose/MooseX-Types-LoadableClass#3 also.

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autarch commented Jun 12, 2017

I don't really have any thoughts. I'm not sure what's up with LoadableClass. I'm not using MX-Types in new code myself.

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The PR I linked to fixed the particular issue in LoadableClass, which was declaring a type that was never actually defined. It instead replaced the declared version with the LoadableClass type. This caused issues for your original changes when undefer_all() was called as it would try to find the non-existent type at that point and croak if it could not be found. Delaying the croak seems to be the safest solution as other type packages may have similar issues.

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Is there any chance this could get reviewed?

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