/**
* This method tests the "span" method.
*
* @dataProvider data_span
*/
public function test_span(array $provided, array $expected)
{
$p0 = ILinkedList\Type::make($provided[0], '\\Saber\\Data\\IInt32\\Type');
$p1 = $provided[1];
$e0 = $expected[0];
$e1 = $expected[1];
$r0 = ILinkedList\Module::span($p0, $p1);
$this->assertInstanceOf('\\Saber\\Data\\ITuple\\Type', $r0);
$v0 = $r0->first();
$v1 = $r0->second();
$this->assertInstanceOf('\\Saber\\Data\\ILinkedList\\Type', $v0);
$this->assertSame($e0, $v0->unbox(1));
$this->assertInstanceOf('\\Saber\\Data\\ILinkedList\\Type', $v1);
$this->assertSame($e1, $v1->unbox(1));
}
/**
* This method returns a tuple where the first item contains longest prefix of the linked
* list that does not satisfy the predicate and the second item contains the remainder.
*
* @access public
* @static
* @param ILinkedList\Type $xs the linked list
* @param callable $predicate the predicate function to be used
* @return ITuple\Type the tuple
*/
public static function break_(ILinkedList\Type $xs, callable $predicate) : ITuple\Type
{
return ILinkedList\Module::span($xs, function (Core\Type $x, IInt32\Type $i) use($predicate) : IBool\Type {
return IBool\Module::not($predicate($x, $i));
});
}