Course of Raku / Functional, concurrent, reactive, and web programming / Functional programming / Data feeds / Exercises

A feed pipeline

Problem

Using a feed with two stages, take the numbers 1..8, keep those greater than 3, then double each of them. Collect the result into an array and print it.

Example

The program prints:

[8 10 12 14 16]

Solution

See the solution

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Solution: Feed the big numbers   |   Solution: A feed pipeline