#[ derive( Debug, Copy, Clone, Hash, PartialEq, Eq ) ]
pub enum Config
{
#[ cfg( feature = "threadpool" ) ]
ThreadPool,
#[ cfg( feature = "juliex" ) ]
Juliex,
#[ cfg( feature = "async_std" ) ]
AsyncStd,
#[ cfg( feature = "localpool" ) ]
LocalPool,
#[ cfg( feature = "tokio_ct" ) ]
TokioCt,
#[ cfg( feature = "bindgen" ) ]
Bindgen,
__Nonexhaustive,
}