sol2/examples/docs/as_function.cpp
ThePhD 6c40c559e3 prepare for new usertype
change how type T is gleaned from destructors and constructors in case of new syntax
add a hell of a lot more examples, update and clean documentation
2018-03-15 17:16:28 -04:00

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#define SOL_CHECK_ARGUMENTS 1
#include <sol.hpp>
int main () {
struct callable {
int operator()( int a, bool b ) {
return a + b ? 10 : 20;
}
};
sol::state lua;
// Binds struct as userdata
// can still be callable, but beware
// caveats
lua.set( "not_func", callable() );
// Binds struct as function
lua.set( "func", sol::as_function( callable() ) );
// equivalent: lua.set_function( "func", callable() );
// equivalent: lua["func"] = callable();
}