lua_number2int and cast_int

[cloudwu <cloudwu@...>]

Hello lua,

      I saw in ltable.c line 121, (in function arrayindex) . It uses
      lua_number2int to convet "nvalue(key)" to a "int".
      In lapi.c , line 317. It uses the same way.

      But in lcode.c, line 230/231. It uses "cast_int(nvalue(idx))".
      I think using lua_number2int would be better, isn't it?

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 cloudwu                          mailto:cloudwu@163.com
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