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.IX Title "Throwable::Error 3"
.TH Throwable::Error 3 2026-04-21 "perl v5.42.2" "User Contributed Perl Documentation"
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.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 4
\&  package MyApp::Error;
\&  # NOTE: Moo can also be used here instead of Moose
\&  use Moose;
\&  extends \*(AqThrowable::Error\*(Aq;
\&
\&  has execution_phase => (
\&    is  => \*(Aqro\*(Aq,
\&    isa => \*(AqMyApp::Phase\*(Aq,
\&    default => \*(Aqstartup\*(Aq,
\&  );
.Ve
.PP
\&...and in your app...
.PP
.Vb 1
\&  MyApp::Error\->throw("all communications offline");
\&
\&  # or...
\&
\&  MyApp::Error\->throw({
\&    message         => "all communications offline",
\&    execution_phase => \*(Aqshutdown\*(Aq,
\&  });
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Throwable::Error is a base class for exceptions that will be thrown to signal
errors and abort normal program flow.  Throwable::Error is an alternative to
Exception::Class, the features of which are largely
provided by the Moo object system atop which Throwable::Error is built.
.PP
Throwable::Error performs the Throwable and StackTrace::Auto
roles.  That means you can call \f(CW\*(C`throw\*(C'\fR on it to create and throw an error
object in one call, and that every error object will have a stack trace for its
creation.
.PP
This attribute must be defined and must contain a string describing the error
condition.  This string will be printed at the top of the stack trace when the
error is stringified.
.PP
This attribute, provided by StackTrace::Auto, will contain a stack trace
object guaranteed to respond to the \f(CW\*(C`as_string\*(C'\fR method.  For more information
about the stack trace and associated behavior, consult the StackTrace::Auto
docs.
.PP
This method will provide a string representing the error, containing the
error\*(Aqs message followed by the its stack trace.
.SH "POD ERRORS"
.IX Header "POD ERRORS"
Hey! \fBThe above document had some coding errors, which are explained below:\fR
.IP "Around line 49:" 4
.IX Item "Around line 49:"
Unknown directive: =attr
.IP "Around line 66:" 4
.IX Item "Around line 66:"
Unknown directive: =attr
.IP "Around line 73:" 4
.IX Item "Around line 73:"
Unknown directive: =method