Add $efa->setup_error() to replace $efa->{'error'} check

2 files changed, 19 insertions, 2 deletions

diff --git a/bin/efa b/bin/efa
index ad57e01..b7b61d4 100755
--- a/bin/efa
+++ b/bin/efa
@@ -100,8 +100,8 @@ $efa = WWW::Efa->new(
 	max_interchanges  => $opt->{'max-change'},
 );
 
-if ($efa->{'error'}) {
-	die $efa->{'error'}->as_string();
+if (my $err = $efa->setup_error()) {
+	die $err->as_string();
 }
 
 if ($opt->{'test-parse'}) {
diff --git a/lib/WWW/Efa.pm b/lib/WWW/Efa.pm
index fc3ae37..58d55bd 100644
--- a/lib/WWW/Efa.pm
+++ b/lib/WWW/Efa.pm
@@ -407,6 +407,23 @@ sub new {
 	return bless($ref, $obj);
 }
 
+=head2 $efa->setup_error()
+
+In case WWW::Efa->new() encountered an error (usually invalid options), this
+returns a B<WWW::Efa::Error::Setup> object describing the exact error.
+Otherwise, returns nothing.
+
+=cut
+
+sub setup_error {
+	my ($self) = @_;
+
+	if ($self->{'error'}) {
+		return $self->{'error'};
+	}
+	return;
+}
+
 =head2 $efa->submit(%opts)
 
 Submit the query to B<http://efa.vrr.de>.