src/cond.php ➔ cond()

Complexity

Conditions	2
Paths	1

Size

Total Lines	20
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	2.0054

Importance

Changes

0

<?php
function cond(array $pairs)
{
    return function ($x) use ($pairs) {
        $pair = head($pairs);

        if (!isset($pair[1])) {
            throw new \InvalidArgumentException();
        }

        $lazyfn = function ($x) use ($pairs) {
            $xs = tail($pairs);
            return cond($xs)($x);
        };

        return ifElse($pair[0])
            ($pair[1])
            ($lazyfn)
            ($x);
    };
}