Swig is amazing at quickly converting simple functions (i.e., functions that return an int and other simple types). But if you want to make a C++ function that

Swig is amazing at quickly converting simple functions (i.e., functions that return an int and other simple types). But if you want to make a C++ function that returns an array or something like a JS object, SWIG doesn't seem to be able to automatically convert it into its javascript equivalent (AFAIK -- could be wrong here).