Michal Špaček

NAME

Error::Pure - Perl module for structured errors.

SYNOPSIS

 use Error::Pure qw(err);
 err 'This is a fatal error', 'name', 'value';

SUBROUTINES

err(@messages)
 Process error with messages @messages.

VARIABLES

$LEVEL
 Error level for Error::Pure.
 Default value is 4.
$TYPE
 Available are last names in Error::Pure::* modules.
 Error::Pure::ErrorList means 'ErrorList'.
 If does defined ENV variable 'ERROR_PURE_TYPE', system use it.
 Default value is 'Die'.

 Precedence:
 1) $Error::Pure::TYPE
 2) $ENV{'ERROR_PURE_TYPE'}
 3) $Error::Pure::TYPE_DEFAULT = 'Die'

EXAMPLE1

 # Pragmas.
 use strict;
 use warnings;

 # Modules.
 use Error::Pure qw(err);

 # Set env error type.
 $ENV{'ERROR_PURE_TYPE'} = 'Die';

 # Error.
 err '1';

 # Output:
 # 1 at example1.pl line 9.

EXAMPLE2

 # Pragmas.
 use strict;
 use warnings;

 # Modules.
 use Error::Pure qw(err);

 # Set env error type.
 $ENV{'ERROR_PURE_TYPE'} = 'ErrorList';

 # Error.
 err '1';

 # Output something like:
 # #Error [path_to_script:12] 1

EXAMPLE3

 # Pragmas.
 use strict;
 use warnings;

 # Modules.
 use Error::Pure qw(err);

 # Set error type.
 $Error::Pure::TYPE = 'AllError';

 # Error.
 err '1';

 # Output something like:
 # ERROR: 1
 # main  err  path_to_script  12

EXAMPLE4

 # Pragmas.
 use strict;
 use warnings;

 # Modules.
 use Error::Pure qw(err);

 $SIG{__DIE__} = sub {
         my $err = shift;
         $err =~ s/ at .*\n//ms;
         $Error::Pure::LEVEL = 5;
         $Error::Pure::TYPE = 'ErrorList';
         err $err;
 };

 # Error.
 die 'Error';

 # Output.
 # #Error [path_to_script.pl:17] Error

EXAMPLE5

 # Pragmas.
 use strict;
 use warnings;

 # Modules.
 use English qw(-no_match_vars);
 use Error::Pure qw(err);
 use Error::Pure::Utils qw(err_msg_hr);

 # Eval block.
 eval {
        err 'Error',
               'Key1', 'Value1',
               'Key2', 'Value2';
 };
 if ($EVAL_ERROR) {
        print $EVAL_ERROR;
        my $err_msg_hr = err_msg_hr();
        foreach my $key (sort keys %{$err_msg_hr}) {
               print "$key: $err_msg_hr->{$key}\n";
        }
 }

 # Output.
 # Error
 # Key1: Value1
 # Key2: Value2

DEPENDENCIES

English, Error::Pure::Utils, Exporter, Readonly.

SEE ALSO

Error::Pure, Error::Pure::AllError, Error::Pure::Always, Error::Pure::Die, Error::Pure::Error, Error::Pure::ErrorList, Error::Pure::HTTP::AllError, Error::Pure::HTTP::Error, Error::Pure::HTTP::ErrorList, Error::Pure::HTTP::JSON, Error::Pure::HTTP::Print, Error::Pure::JSON, Error::Pure::Output::JSON, Error::Pure::Output::Text, Error::Pure::Print, Error::Pure::PrintVar.

ACKNOWLEDGMENTS

Jakub Špičak and his Masser (http://masser.sf.net).

REPOSITORY

https://github.com/tupinek/Error-Pure

AUTHOR

Michal Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

 © 2008-2015 Michal Špaček
 BSD 2-Clause License

VERSION

0.22