Merge pull request #441 from guilhermesiani/patch-5

refactor: add void return type
This commit is contained in:
Piotr Grabski-Gradziński
2021-07-18 18:26:59 +02:00
committed by GitHub

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@@ -6,12 +6,12 @@ class PaperBook implements Book
{ {
private int $page; private int $page;
public function open() public function open(): void
{ {
$this->page = 1; $this->page = 1;
} }
public function turnPage() public function turnPage(): void
{ {
$this->page++; $this->page++;
} }