const _os_object_s = opaque
const _os_object_s = opaque { pub const retain = dispatch_retain; pub const release = dispatch_release; pub const get_context = dispatch_get_context; pub const set_context = dispatch_set_context; pub const set_finalizer = dispatch_set_finalizer_f; pub const activate = dispatch_activate; pub const @"suspend" = dispatch_suspend; pub const @"resume" = dispatch_resume; pub const set_target_queue = dispatch_set_target_queue; }