PHP Collection Sequence::headOption示例

示例#1

文件： SequenceTest.php 项目： imunhatep/collection

 public function testHead()
 {
     $this->assertSame(0, $this->seq->headOption()->get());
     $this->assertSame(0, $this->seq->head());
     $this->assertSame(0, $this->seq->lastOption()->get());
     $this->assertSame(0, $this->seq->last());
 }