Luabind tostring demonstration

Consider the following code:

When run:

kuyu@ub16:~/dkuyu/Dropbox/practice/lua/luabind/tostring$ cat test.lua
package.loadlib('./testclass.so', 'init')()
a = testclass(101)
print(tostring(a))
kuyu@ub16:~/dkuyu/Dropbox/practice/lua/luabind/tostring$ cat commands.bash
#!/bin/bash
g++ testclass.cpp -I/usr/include/lua5.2/ -c -fPIC
g++ -shared -Wl,--whole-archive -o testclass.so testclass.o -lluabind -Wl,--no-whole-archive
lua test.lua
kuyu@ub16:~/dkuyu/Dropbox/practice/lua/luabind/tostring$ ./commands.bash
101
kuyu@ub16:~/dkuyu/Dropbox/practice/lua/luabind/tostring$