Method init

examples/plugin/opcodes.cpp:69–75

 */
struct SimpleArray : csnd::Plugin<1, 1> {
  int init() {
    csnd::Vector<MYFLT> &out = outargs.vector_data<MYFLT>(0);
    csnd::Vector<MYFLT> &in = inargs.vector_data<MYFLT>(0);
    out.init(csound, in.len());
    csound->plugin_deinit(this);
    return OK;
  }

  int deinit() {
    /** nothing to do, just announce itself */