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

["WangYaofu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/THRIFT-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123255#comment-15123255 ] 

WangYaofu edited comment on THRIFT-3584 at 1/29/16 9:38 AM:
------------------------------------------------------------

I modified the Lua compiler and here are pull request on github for thrift mirror.

https://github.com/apache/thrift/pull/824



was (Author: gityf):
I modified the Lua compiler and here are pull request on github for thrfit mirror.

https://github.com/apache/thrift/pull/824


> 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.
> {code:title=Before}
>   if self.argBool then
>     oprot:writeFieldBegin('argBool', TType.BOOL, 13)
>     oprot:writeBool(self.argBool)
>     oprot:writeFieldEnd()
>   end
> {code}
> {code:title=After}
>   if self.argBool ~= nil then
>     oprot:writeFieldBegin('argBool', TType.BOOL, 13)
>     oprot:writeBool(self.argBool)
>     oprot:writeFieldEnd()
>   end
> {code}
> Why:
>   the value(false) for parameter self.argBool will be lost when condition is 'if self.argBool then' as before.



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