(I have spoken with bannaN and his problem seems to be:)

• fields and JSON::XS don't work together. fields and JSON::PP do work toghether, but JSON::PP is too slow for his application.
• fields has some nice properties he would like to preserve, such as to catch common programming errors, e.g. accessing a non-declared object variable (e.g. $p->{a})

His strategy is:

• Create objects in perl and dump object content with JSON::XS
• Replace fields with another object system that detect access to a non-declared object variable (run-time or compile-time).

Is there an perl object system / framework that supports the above requirements? Moose and Mouse have been considered and fail the last requirement.

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