lib/rbs/namespace.rb in rbs-0.11.0 vs lib/rbs/namespace.rb in rbs-0.12.0

@@ -61,11 +61,13 @@
     def hash
       self.class.hash ^ path.hash ^ absolute?.hash
     end
 
     def split
-      [parent, path.last]
+      last = path.last or return
+      parent = self.parent
+      [parent, last]
     end
 
     def to_s
       if empty?
         absolute? ? "::" : ""
@@ -75,10 +77,14 @@
       end
     end
 
     def to_type_name
       parent, name = split
+
+      raise unless name
+      raise unless parent
+
       TypeName.new(name: name, namespace: parent)
     end
 
     def self.parse(string)
       if string.start_with?("::")
@@ -86,24 +92,29 @@
       else
         new(path: string.split("::").map(&:to_sym), absolute: false)
       end
     end
 
-
     def ascend
       if block_given?
         current = self
 
         until current.empty?
           yield current
-          current = current.parent
+          current = _ = current.parent 
         end
 
         yield current
 
         self
       else
         enum_for(:ascend)
       end
     end
+  end
+end
+
+module Kernel
+  def Namespace(name)
+    RBS::Namespace.parse(name)
   end
 end