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improve: removed the superfluous header type check #49

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@tokers tokers commented Feb 17, 2019

The ngx.var API only returns a Lua string in case of success or nil if
failure. So check whether the header is a Lua table is superfluous.

The ngx.var API only returns a Lua string in case of success or `nil` if
failure. So check whether the header is a Lua table is superfluous.
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agentzh commented Feb 17, 2019

@tokers Yeah, we used to use ngx.req.get_headers() to fetch the Content-Type header, but we did not remove the table type check after switching to ngx.var. This patch looks good to me.

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