Provide utility to check if Type is assignable to another Type
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Key: WELDX-188
URL: https://jira.jboss.org/browse/WELDX-188
Project: Weld Extensions
Issue Type: Feature Request
Reporter: Dan Allen
Priority: Minor
Fix For: 1.0.0.Beta2
Often times when writing an extension, you need to know if one Type is
assignable from another Type. This is a more sophisticated version of
Class#isAssignableFrom(Class) which takes into account paramaterized types.
given
parameterized type Bean<N extends Number>
then
type Bean<Number> is assignable from type Bean<Integer>
One area where this is useful is when checking if a bean type is more specific
than another bean type. It's not sufficient to assume the bean type is a simple
class.
Something similar to what is provided by:
http://google-gson.googlecode.com/svn-history/r442/trunk/gson/src/main/java/com/google/gson/reflect/TypeToken.java
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