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https://issues.apache.org/jira/browse/THRIFT-3190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598296#comment-14598296
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James E. King, III commented on THRIFT-3190:
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Given the C++ library uses a native set implementation that provides set
manipulations, we should consider using one in other languages as well. As
such, I would still recommend that the perl library use Set::Scalar (or another
implementation providing set manipulations) as the native set<> type.
> In perl, a thrift set<> type should be ordered and have set manipulations
> -------------------------------------------------------------------------
>
> Key: THRIFT-3190
> URL: https://issues.apache.org/jira/browse/THRIFT-3190
> Project: Thrift
> Issue Type: Improvement
> Components: Perl - Library
> Affects Versions: 0.9.2
> Reporter: James E. King, III
> Priority: Minor
>
> Currently a set<> type in Thrift equates to a hash where the value of each
> type is set to 1. The keys are interpreted as strings and therefore lose
> their ordering. The TestClient for cpp sends:
> The TestServer for perl (which I am writing to verify SSL server refactoring)
> receives:
> $thing HASH(0x35da228)={ -1 => '1', -2 => '1', 0 => '1', 1 => '1', 2
> => '1' }
> Note how -1 and -2 are transposed. Further, there are no set manipulations
> available.
> Recommend the use of Set::Scalar as a required perl dependency for proper set
> operation. This would be a breaking change but necessary to achieve proper
> set semantics and operations from the native thrift type.
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