Course of Raku / Essentials / Functions essentials / Creating and calling functions / Exercises / Function to compute xʸ

Solution: Function to compute xʸ

In this program, use the ** operator to compute the power.

Code

Here is the solution:

sub f($x, $y) { $x ** $y }

say f(5, 3);
say f(2, 10);
say f(-4, 5);

🦋 Find the program in the file function-x-to-the-power-of-y.raku.

Output

Run the program to confirm it prints correct answers:

$ raku exercises/functions/function-x-to-the-power-of-y.raku
125
1024
-1024

Comment

This function also works with negative powers, for example:

say f(5, -1);  # 0.2
say f(10, -2); # 0.01

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