[jira] [Created] (THRIFT-3584) the value(false) for parameter self.argBool will be lost when condition is 'if self.argBool then' .

[WangYaofu (JIRA)]

WangYaofu created THRIFT-3584:
---------------------------------

             Summary: the value(false) for parameter self.argBool will be lost 
when condition is 'if self.argBool then' .
                 Key: THRIFT-3584
                 URL: https://issues.apache.org/jira/browse/THRIFT-3584
             Project: Thrift
          Issue Type: Bug
          Components: Lua - Compiler
    Affects Versions: 0.9.3
         Environment: Linux Windows
            Reporter: WangYaofu
             Fix For: 0.9.4


To check element of self whether nil or not,avoid the value(false) of BOOL is 
lost.

eg.
Before:
  if self.argBool then
    oprot:writeFieldBegin('argBool', TType.BOOL, 13)
    oprot:writeBool(self.argBool)
    oprot:writeFieldEnd()
  end

After:
  if self.argBool ~= nil then
    oprot:writeFieldBegin('argBool', TType.BOOL, 13)
    oprot:writeBool(self.argBool)
    oprot:writeFieldEnd()
  end

Why:
  the value(false) for parameter self.argBool will be lost when condition is 
'if self.argBool then' as before.



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