sourceimpl<R, Row1, Row2, Row3> RecApp<R> for ExternalChoice<Row1> where
R: Send + 'static,
Row2: RowCon,
Row1: Send + 'static,
Row1: ToRow<Row = Row2>,
Row2: RecApp<R, Applied = Row3>,
Row3: RowCon,
sourceimpl<Row1, Row2, Row3, A> RecApp<A> for InternalChoice<Row1> where
A: Send + 'static,
Row1: Send + 'static,
Row1: ToRow<Row = Row2>,
Row2: RowCon,
Row2: RecApp<A, Applied = Row3>,
Row3: RowCon,