Simplified "too complicated" handling

diff --git a/lib/Sub/Exporter/Progressive.pm b/lib/Sub/Exporter/Progressive.pm
index 3a773d5..670402c 100644 (file)
--- a/lib/Sub/Exporter/Progressive.pm
+++ b/lib/Sub/Exporter/Progressive.pm
@@ -5,19 +5,14 @@ use warnings;
 
 our $VERSION = '0.001007';
 
+use Carp 'croak';
 use List::Util 'first';
 
 sub import {
    my ($self, @args) = @_;
 
    my $inner_target = caller(0);
-   my ($TOO_COMPLICATED, $export_data) = sub_export_options($inner_target, @args);
-
-   die <<'DEATH' if $TOO_COMPLICATED;
-You are using Sub::Exporter::Progressive, but the features your program uses from
-Sub::Exporter cannot be implemented without Sub::Exporter, so you might as well
-just use vanilla Sub::Exporter
-DEATH
+   my $export_data = sub_export_options($inner_target, @args);
 
    my $full_exporter;
    no strict;
@@ -42,11 +37,15 @@ DEATH
    };
 }
 
+my $too_complicated = <<'DEATH';
+You are using Sub::Exporter::Progressive, but the features your program uses from
+Sub::Exporter cannot be implemented without Sub::Exporter, so you might as well
+just use vanilla Sub::Exporter
+DEATH
+
 sub sub_export_options {
    my ($inner_target, $setup, $options) = @_;
 
-   my $TOO_COMPLICATED = 0;
-
    my @exports;
    my @defaults;
    my %tags;
@@ -58,23 +57,18 @@ sub sub_export_options {
       for my $opt (keys %options) {
          if ($opt eq 'exports') {
 
-            $TOO_COMPLICATED = 1, last OPTIONS
-               if ref $options{exports} ne 'ARRAY';
-
+            croak $too_complicated if ref $options{exports} ne 'ARRAY';
             @exports = @{$options{exports}};
-
-            $TOO_COMPLICATED = 1, last OPTIONS
-               if first { ref } @exports;
+            croak $too_complicated if first { ref } @exports;
 
          } elsif ($opt eq 'groups') {
             %tags = %{$options{groups}};
             for my $tagset (values %tags) {
-               $TOO_COMPLICATED = 1 if first { /^-(?!all\b)/ || ref } @{$tagset};
+               croak $too_complicated if first { /^-(?!all\b)/ || ref } @{$tagset};
             }
             @defaults = @{$tags{default} || [] };
          } else {
-            $TOO_COMPLICATED = 1;
-            last OPTIONS
+            croak $too_complicated;
          }
       }
       @{$_} = map { / \A  [:-] all \z /x ? @exports : $_ } @{$_} for \@defaults, values %tags;
@@ -83,12 +77,12 @@ sub sub_export_options {
       die join(', ', @errors) . " is not exported by the $inner_target module\n" if @errors;
    }
 
-   return $TOO_COMPLICATED, {
+   return {
       exports => \@exports,
       defaults => \@defaults,
       original => $options,
       tags => \%tags,
-   }
+   };
 }
 
 1;