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https://issues.apache.org/jira/browse/THRIFT-4011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857894#comment-15857894
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ASF GitHub Bot commented on THRIFT-4011:
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Github user dcelasun commented on the issue:
https://github.com/apache/thrift/pull/1156
I finally hade some time to take a look at this. Duplicate detection is now
implemented with `reflect.DeepEqual`. It isn't really ideal, but Go lacks a way
of defining equality for arbitrary types, so this is the only possible
implementation that supports `set<T>` for any `T`.
> Sets of Thrift structs generate Go code that can't be serialized to JSON
> ------------------------------------------------------------------------
>
> Key: THRIFT-4011
> URL: https://issues.apache.org/jira/browse/THRIFT-4011
> Project: Thrift
> Issue Type: Bug
> Components: Go - Compiler
> Reporter: Can Celasun
>
> Consider the following structs:
> {code}
> struct Foo {
> 1: optional string foo
> }
> struct Bar {
> 1: optional set<Foo> foos
> }
> {code}
> This compiles into the following Go code:
> {code}
> type Bar struct {
> Foos map[*Foo]struct{} `thrift:"foos,1" db:"foos" json:"foos,omitempty"`
> }
> {code}
> Even though the generated code has tags for JSON support, Bar can't be
> serialized to JSON:
> {code}
> json: unsupported type: map[*Foo]struct {}
> {code}
> One solution would be to use slices, not maps, for Thrift sets. Thoughts?
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