Course of Raku / Functional, concurrent, reactive, and web programming / Reactive programming / Live and on-demand supplies / Exercises

Sum a live feed

Problem

Create a live supply with a Supplier. Tap it so that every emitted value is added to a running total. Emit 10, 20, and 30, then print the total.

Example

The program prints:

60

Solution

✅ See the solution

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