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

Filter with a block

Problem

grep is a higher-order function: it takes a block and keeps the elements for which the block is true. Use grep to count how many numbers in the range 1..10 are greater than 5, and print the count.

Example

The program prints:

5

Solution

✅ See the solution

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