Perl6 Object Oriented Cookbook (v0.2.1)  
Section 3: Working with Classes  
 
Recipe 3.9: Modifying the Signature of an Attribute or Method at Runtime
Last Updated: Sep 8, 2003
Status: Draft
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Problem:  

You want to modify the signature of a method at runtime; for example, you want to alter the expected arguments of a method.

Solution:  

Replace the definition of the method, using an anonymous method with the signature you want:

MyClass.bar = method (... args ...) { ... };  # with signature


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