1 files changed, 30 insertions, 0 deletions
diff --git a/lib/Moose/Exception/CircularReferenceInAlso.pm b/lib/Moose/Exception/CircularReferenceInAlso.pm
new file mode 100644
index 0000000..7306adf
--- /dev/null
+++ b/lib/Moose/Exception/CircularReferenceInAlso.pm
@@ -0,0 +1,30 @@
+package Moose::Exception::CircularReferenceInAlso;
+our $VERSION = '2.1405';
+
+use Moose;
+extends 'Moose::Exception';
+
+has 'also_parameter' => (
+    is       => 'ro',
+    isa      => 'Str',
+    required => 1
+);
+
+has 'stack' => (
+    is       => 'ro',
+    isa      => 'ArrayRef',
+    required => 1
+);
+
+sub _build_message {
+    my $self = shift;
+    my $also_member = $self->also_parameter;
+
+    my @stack = @{$self->stack};
+    my $existing_stack = join( ', ', @stack);
+
+    return "Circular reference in 'also' parameter to Moose::Exporter between "
+           ."$existing_stack and $also_member";
+}
+
+1;