Function lua_getref

pub unsafe fn lua_getref(L: *mut lua_State, ref: c_int) -> lua_Type

Pushes the value of the given reference onto the stack.

This function will push the value of the given reference onto the stack and return the type of the value. If the reference is LUA_NOREF or LUA_REFNIL, this function will push nil onto the stack and return LUA_TNIL.