lib/ribimaybe.rb in ribimaybe-0.0.12 vs lib/ribimaybe.rb in ribimaybe-0.0.13

@@ -57,13 +57,17 @@
       end
 
       # No operation. Always returns Nothing.
       #
       Contract Proc => Nothing
-      def self.bind(&_)
+      def self.bind(fn = nil, &_)
         self
       end
+
+      class << self
+        alias_method :>=, :bind
+      end
     end
 
     class Just
       include Contracts
 
@@ -163,12 +167,14 @@
       # Just(1).bind do |x|
       #   rturn(x + x)
       # end # => Just(2)
       #
       Contract Proc => Or[Nothing, Just]
-      def bind(&fn)
-        fn.curry.(@value)
+      def bind(fn = nil, &block)
+        (fn || block).curry.(@value)
       end
+
+      alias_method :>=, :bind
     end
 
     # Converts nil to Nothing or lifts value into a Just. Accepts a optional
     # block or value.
     #