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https://issues.apache.org/jira/browse/THRIFT-122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12626419#action_12626419
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Noble Paul commented on THRIFT-122:
-----------------------------------

bq.How about using fingerprint of the structure instead of the name? 
I thought the name is quite unique enough in an IDL file. Isn't the name itself 
a good enough ? The cost will be minimal cost if we use the name as an 'extern 
string'. 

> Allow heterogeneous collections
> -------------------------------
>
>                 Key: THRIFT-122
>                 URL: https://issues.apache.org/jira/browse/THRIFT-122
>             Project: Thrift
>          Issue Type: New Feature
>            Reporter: Noble Paul
>
> Currently thrift only supports homogeneous collections . But , that is very 
> restrictive for many languages which allows heterogeneous collections. It 
> does not have to be supported in BinaryProtocol The new DenseProtocol may add 
> support for this
> implementation details 
> the IDL can allow syntax 
> {code}
> list<?>
> set<?>
> map<?,?>
> map<?,the-type>
> map<the-type,?>
> {code}
> While writing down data use a type modifier to say whether key (1), value(2) 
> or both(3) are wild cards
> for a List/Set use a type modifier 1 to specify that it is heterogeneous
> If it is a homogeneous collection do it the way it is done now.
> Or else
> add type information just before the data. So it adds an extra byte/element 
> For ma

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