@@ -49,7 +49,7 @@ Which is the same as: _xy = y -There are a couple of ways to derive this combinator. One way is to compose a Thrush and a Kestrel: +There are a couple of ways to derive this combinator. One way is to compose a [Thrush](http://github.com/raganwald/homoiconic/tree/master/2008-10-30/thrush.markdown#readme) with a Kestrel: Txy = yx, therefore: K(Txy) = Kyx = y @@ -147,7 +147,7 @@ The obvious challenge with this approach is that it is so ad hoc. having written As we saw in [Refactoring Methods with Recursive Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-23/recursive_combinators.md) and [Practical Recursive Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-26/practical_recursive_combinators.md), it is also possible to write Ruby combinators to encapsulate the pattern of wrapping a block explicitly when writing methods. We also saw in [Aspect-Oriented Programming in Ruby using Combinator Birds](http://github.com/raganwald/homoiconic/tree/master/2008-11-07/from_birds_that_compose_to_method_advice.markdown) that you can declaratively wrap a method using method advice. There are many roads to the summit :-) -_More on combinators_: [Kestrels](http://github.com/raganwald/homoiconic/tree/master/2008-10-29/kestrel.markdown#readme), [The Thrush](http://github.com/raganwald/homoiconic/tree/master/2008-10-30/thrush.markdown#readme), [Songs of the Cardinal](http://github.com/raganwald/homoiconic/tree/master/2008-10-31/songs_of_the_cardinal.markdown#readme), [Quirky Birds and Meta-Syntactic Programming](http://github.com/raganwald/homoiconic/tree/master/2008-11-04/quirky_birds_and_meta_syntactic_programming.markdown#readme), [Aspect-Oriented Programming in Ruby using Combinator Birds](http://github.com/raganwald/homoiconic/tree/master/2008-11-07/from_birds_that_compose_to_method_advice.markdown#readme), [The Enchaining and Obdurate Kestrels](http://github.com/raganwald/homoiconic/tree/master/2008-11-12/the_obdurate_kestrel.md#readme), [Finding Joy in Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-16/joy.md#readme), [Refactoring Methods with Recursive Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-23/recursive_combinators.md#readme), [Practical Recursive Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-26/practical_recursive_combinators.md#readme), [The Hopelessly Egocentric Blog Post](http://github.com/raganwald/homoiconic/tree/master/2009-02-02/hopeless_egocentricity.md#readme), and [Wrapping Combinators](http://github.com/raganwald/homoiconic/tree/master/2009-06-29/wrapping_combinators.md#readme). +_More on Combinators_: [Kestrels](http://github.com/raganwald/homoiconic/tree/master/2008-10-29/kestrel.markdown#readme), [The Thrush](http://github.com/raganwald/homoiconic/tree/master/2008-10-30/thrush.markdown#readme), [Songs of the Cardinal](http://github.com/raganwald/homoiconic/tree/master/2008-10-31/songs_of_the_cardinal.markdown#readme), [Quirky Birds and Meta-Syntactic Programming](http://github.com/raganwald/homoiconic/tree/master/2008-11-04/quirky_birds_and_meta_syntactic_programming.markdown#readme), [Aspect-Oriented Programming in Ruby using Combinator Birds](http://github.com/raganwald/homoiconic/tree/master/2008-11-07/from_birds_that_compose_to_method_advice.markdown#readme), [The Enchaining and Obdurate Kestrels](http://github.com/raganwald/homoiconic/tree/master/2008-11-12/the_obdurate_kestrel.md#readme), [Finding Joy in Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-16/joy.md#readme), [Refactoring Methods with Recursive Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-23/recursive_combinators.md#readme), [Practical Recursive Combinators](http://github.com/raganwald/homoiconic/tree/master/2008-11-26/practical_recursive_combinators.md#readme), [The Hopelessly Egocentric Blog Post](http://github.com/raganwald/homoiconic/tree/master/2009-02-02/hopeless_egocentricity.md#readme), and [Wrapping Combinators](http://github.com/raganwald/homoiconic/tree/master/2009-06-29/wrapping_combinators.md#readme). --- 2009-06-29/wrapping_combinators.md 58ddf1e11f551a779b3c9608127e69c66ea5a260 Reginald Braithwaite raganwald@gmail.com http://github.com/raganwald/homoiconic/commit/0d503c33353d287a250439ed615fe70fd623ea0e 0d503c33353d287a250439ed615fe70fd623ea0e 2009-06-29T10:20:17-07:00 2009-06-29T10:20:17-07:00 updated a link to The Thrush eb6085899ae073646afc8daa6767c0d97c5865a9 Reginald Braithwaite raganwald@gmail.com