lib/trestle/breadcrumb.rb in trestle-0.8.5 vs lib/trestle/breadcrumb.rb in trestle-0.8.6

@@ -8,9 +8,22 @@
 
     def ==(other)
       label == other.label && path == other.path
     end
 
+    def self.cast(obj)
+      case obj
+      when Breadcrumb
+        obj
+      when String
+        new(obj)
+      when Array
+        new(*obj)
+      else
+        raise ArgumentError, "Unable to cast #{obj.inspect} to Breadcrumb"
+      end
+    end
+
     class Trail
       include Enumerable
 
       def initialize(breadcrumbs=[])
         @breadcrumbs = Array(breadcrumbs)