Course of Raku / Functional, concurrent, reactive, and web programming / Functional programming / Higher-order functions / Exercises

Make a multiplier

Problem

Write a subroutine multiplier that takes a number $n and returns a subroutine which multiplies its argument by $n. Use it to build two functions — a “double” and a “triple” — then call each with 7.

Example

The program prints:

14
21

Solution

✅ See the solution

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