Fix return type

Littlesqx · Littlesqx · commit 73c185315b32 · 2018-12-29T11:15:15.000+08:00
diff --git a/src/Application.php b/src/Application.php
@@ -74,7 +74,7 @@ public function getHttpClient(): Client
      * @throws InvalidArgumentException
      * @throws InvalidResponseException
      */
-    public function getBook(string $isbn): ? Book
+    public function getBook(string $isbn): Book
     {
         if (13 !== strlen($isbn) && 10 !== strlen($isbn)) {
             throw new InvalidArgumentException('Invalid isbn code(isbn10 or isbn13): '.$isbn);

Original file line number	Diff line number	Diff line change
`@@ -74,7 +74,7 @@ public function getHttpClient(): Client`
`74`	`74`	`* @throws InvalidArgumentException`
`75`	`75`	`* @throws InvalidResponseException`
`76`	`76`	`*/`
`77`		`- public function getBook(string $isbn): ? Book`
	`77`	`+ public function getBook(string $isbn): Book`
`78`	`78`	`{`
`79`	`79`	`if (13 !== strlen($isbn) && 10 !== strlen($isbn)) {`
`80`	`80`	`throw new InvalidArgumentException('Invalid isbn code(isbn10 or isbn13): '.$isbn);`