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https://issues.apache.org/jira/browse/THRIFT-1767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13509975#comment-13509975
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Jens Geyer commented on THRIFT-1767:
------------------------------------
I'm not so sure.
{code}
Union {
1 : i32 one,
2 : i32 two = 3
}
{code}
Would be ok. Only
{code}
Union {
1 : i32 one = 4,
2 : i32 two = 3
}
{code}
would produce something unexpected. Depending on the impl either more than one
field would be set, or only the last value. But yes, a warning should be
emitted.
> unions can't have required fields (Delphi)
> ------------------------------------------
>
> Key: THRIFT-1767
> URL: https://issues.apache.org/jira/browse/THRIFT-1767
> Project: Thrift
> Issue Type: Bug
> Components: Delphi - Compiler
> Affects Versions: 0.8, 0.9
> Reporter: Jens Geyer
> Assignee: Jens Geyer
> Fix For: 1.0
>
> Attachments: THRIFT-1767_union_clear_value_experimental.patch,
> THRIFT-1767_unions_cant_have_required_fields.patch
>
>
> Required fields within unions should be treaten as optional, the union
> construct would not make much sense otherwise.
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