code: func (v *Application) SetAccelsForAction(act string, accels []string) {
  	cstr1 := (*C.gchar)(C.CString(act))
  	defer C.free(unsafe.Pointer(cstr1))
  
  	caccels := C.make_strings(C.int(len(accels) + 1))
  	defer C.destroy_strings(caccels)
  
  	for i, accel := range accels {
  		cstr := C.CString(accel)
  		defer C.free(unsafe.Pointer(cstr))
  		C.set_string(caccels, C.int(i), (*C.gchar)(cstr))
  	}
  
  	C.set_string(caccels, C.int(len(accels)), nil)
  
  	C.gtk_application_set_accels_for_action(v.native(), cstr1, caccels)
  }
docs: // SetAccelsForAction is a wrapper around gtk_application_set_accels_for_action().