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Manual Reference Pages  -  DBIX::CLASS::CARP (3)

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NAME

DBIx::Class::Carp - Provides advanced Carp::Clan-like warning functions for DBIx::Class internals

CONTENTS

DESCRIPTION

Documentation is lacking on purpose - this an experiment not yet fit for mass consumption. If you use this do not count on any kind of stability, in fact don’t even count on this module’s continuing existence (it has been noindexed for a reason).

In addition to the classic interface:



  use DBIx::Class::Carp ^DBIx::Class



this module also supports a class-data based way to specify the exclusion regex. A message is only carped from a callsite that matches neither the closed over string, nor the value of _skip_namespace_frames as declared on any callframe already skipped due to the same mechanism. This is to ensure that intermediate callsites can declare their own additional skip-namespaces.

CLASS ATTRIBUTES

    _skip_namespace_frames

A classdata attribute holding the stringified regex matching callsites that should be skipped by the carp methods below. An empty string q{} is treated like no setting/undef (the distinction is necessary due to semantics of the class data accessors provided by Class::Accessor::Grouped)

EXPORTED FUNCTIONS

This module export the following 3 functions. Only warning related carp* is being handled here, for croak-ing you must use throw_exception in DBIx::Class::Schema or DBIx::Class::Exception.

    carp

Carps message with the file/line of the first callsite not matching _skip_namespace_frames nor the closed-over arguments to use DBIx::Class::Carp.

    carp_unique

Like carp but warns once for every distinct callsite (subject to the same ruleset as carp).

    carp_once

Like carp but warns only once for the life of the perl interpreter (regardless of callsite).

FURTHER QUESTIONS?

Check the list of additional DBIC resources.

COPYRIGHT AND LICENSE

This module is free software copyright by the DBIx::Class (DBIC) authors. You can redistribute it and/or modify it under the same terms as the DBIx::Class library.
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perl v5.20.3 DBIX::CLASS::CARP (3) 2016-02-11

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