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From "Marvin Humphrey (JIRA)" <j...@apache.org>
Subject [lucy-issues] [jira] [Created] (CLOWNFISH-57) Map clownfish.Obj to Go empty interface
Date Tue, 04 Aug 2015 00:59:04 GMT
Marvin Humphrey created CLOWNFISH-57:
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             Summary: Map clownfish.Obj to Go empty interface
                 Key: CLOWNFISH-57
                 URL: https://issues.apache.org/jira/browse/CLOWNFISH-57
             Project: Apache Lucy-Clownfish
          Issue Type: Improvement
          Components: Go
            Reporter: Marvin Humphrey
            Assignee: Marvin Humphrey
             Fix For: 0.5.0


Autogenerated bindings for Clownfish subroutines which accept or return
clownfish Obj should be mapped to Go's "empty interface" type, `interface{}`.

This sacrifices some type safety, but it is the only way to achieve certain
desirable effects.  For example, it should be possible for Vector's Push()
method to take a Go string, instead of requiring the user to perform a manual
conversion to a Clownfish object.  Similarly, Vector's Pop() should be able to
return a Go string.

Functions which need to return an actual clownfish Obj wrapped in a Go struct
will need to have hand-coded bindings, but there are fewer of those so
converting Obj by default is the better choice.




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