[jira] [Created] (THRIFT-3467) Go Maps for Thrift Sets Should Have Values of Type struct{}

[Tom Deering (JIRA)]

Tom Deering created THRIFT-3467:
-----------------------------------

             Summary: Go Maps for Thrift Sets Should Have Values of Type 
struct{} 
                 Key: THRIFT-3467
                 URL: https://issues.apache.org/jira/browse/THRIFT-3467
             Project: Thrift
          Issue Type: Bug
          Components: Go - Compiler
    Affects Versions: 0.9.3
            Reporter: Tom Deering


Sets in Thrift are currently turned into maps with boolean keys in Go. Example:

Thrift
{code}
namespace go bug
service FooService{
        void bar (1:set<string> foos)
}
{code}

Go
{code}
func (p *FooServiceClient) Bar(foos map[string]bool) (err error) 
{code}

Boolean map values waste memory. Map values should be of the zero-byte struct{} 
type.



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