Help me interpret the C code

[Emeka <emekamicro@...>]

Hello All,

#define rawgco2ts(o)    check_exp((o)->gch.tt == LUA_TSTRING, &((o)->ts))

#define check_exp(c,e)          (e)

I can't figure out where/how the conditional is used.

Regards, \Emeka

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