--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--
<?php

require_once 'includes/assert.php';

$mat = Arma\IMat::fromString('1 2; 3 4');
$mapval = $mat(1, 0);
$mapval = 5;
// Unfortunately, the Zend Engine prevents us from writing something like:
// $mat(1, 0) = 5;
// because function return values are not supposed to be used in write context.
// Function `zend_ensure_writable_variable()` does that check in compile time.

batch_assert('operator overloading of `MapVal`',
    [5, +$mat->at(1, 0)]
);

?>
--EXPECT--