Function call with number parameter becomes a string parameter inside the function
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- Subject: Function call with number parameter becomes a string parameter inside the function
- From: Carsten Fuchs <CarstenFuchs@...>
- Date: 2006年6月29日 11:46:44 +0200
Hello all,
I'm calling a Lua function from C++ code as described in the PiL1/2 book
chapter 25.2, see http://www.lua.org/pil/25.2.html .
The parameters for the function are pushed onto the stack as numbers,
using lua_pushinteger() and/or lua_pushnumber().
However, the called Lua function
function f(Key)
print("'Key' is of type " .. type(Key) .. "\n");
end
outputs: 'Key' is of type string
Strangely, the value of Key is the correct string representation of the
number that I pushed onto the stack in the C++ code earlier, e.g. if I
called lua_pushinteger(L, 48); then in the Lua function f above,
Key=="48".
That is, in f I expected that Key==48, but find that Key=="48".
(And therefore my equality tests like Key==48 always fail.)
--> I'm unable to get a clue on what's going on. Am I missing something?
Any suggestions/hints/help/etc. are mostly appreciated!
Thank you very much!
Best,
Carsten
--
Ca3D - Engine http://www.Ca3D-Engine.de
Carsten Fuchs http://www.Ca3D-Engine.de/c_Carsten.php