Course of Raku / Addendum 🆕 / Working with data / Lists, arrays, and hashes / Exercises / Transpose a matrix

Solution: Transpose a matrix

Here is a possible solution to the task.

Code

my @matrix = [1, 2, 3], [4, 5, 6];

say [Z] @matrix;

🦋 You can find the source code in the file transpose.raku.

Output

((1 4) (2 5) (3 6))

Comments

1. The zip metaoperator Z pairs up elements by position. Used as a reduction [Z], it zips all the rows together, turning columns into rows — exactly a transpose.

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