--TEST--
Test for `Internal\Scalar`.
--SKIPIF--
<?php
require_once 'includes/loaded.php';
require_once 'includes/supports.php';
if (is_php_arma_loaded()) {
supports_operator_overloading();
}
?>
--FILE--
require_once 'includes/assert.php';
$mat = Arma\IMat::fromString('1 2; 3 4');
batch_assert('operator overloading of `MapVal`',
[3, +$mat->at(1, 0)],
[-2, -$mat(0, 1)]
);
--EXPECT--