Treatment checkedSub

std/ops/num::checkedSub

Generics

◻ N: CheckedSub

Inputs

⇥ a: Stream<N>
⇥ b: Stream<N>

Outputs

↦ diff: Stream<Option<N>>

Substract values from two streams, checking if overflow occurs.

Values passed through b are substracted to a and send in diff. This treatment outputs an option containing a - b, or none if result cause overflow in data type.