Throw an error if there's no parameter name provided

[gitmo/MooseX-Role-Parameterized.git] / lib / MooseX / Role / Parameterized / Meta / Role / Parameterizable.pm

diff --git a/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm b/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm
index 6718cc6..a7c7e58 100644 (file)
--- a/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm
+++ b/lib/MooseX/Role/Parameterized/Meta/Role/Parameterizable.pm
@@ -28,6 +28,9 @@ sub add_parameter {
     my $self = shift;
     my $name = shift;
 
+    confess "You must provide a name for the parameter"
+        if !defined($name);
+
     # need to figure out a plan for these guys..
     confess "The parameter name ($name) is currently forbidden."
         if $name eq 'alias'