Course of Raku / Advanced / Operators / User-defined operators / Exercises / Average operator

Solution: Average operator

Here is a possible solution to the task.

Code

sub infix:<avg>($a, $b) {
    ($a + $b) / 2
}

say 4 avg 10;

🦋 You can find the source code in the file average-operator.raku.

Output

7

Comments

1. The operator is declared as infix:<avg>, so it is written between its two operands, just like + or ~.

2. The body adds the two operands and divides by two. For 4 and 10 the result is 7.

Course navigation

← Average operator   |   Percent-of operator →