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luaL_checknumber

luaL_checknumber[-0, +0, v]

lua_Number luaL_checknumber (lua_State *L, int arg);

Checks whether the function argument arg is a number and returns this number.

Links:

https://www.lua.org/manual/5.3/manual.html#luaL_checknumber

doc_lua

2017-02-21 04:12:02

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