book: english typo (changkun#79)

dibakch · changkun · commit 8767bb89c4c1 · 2019-09-20T15:06:54.000+02:00
diff --git a/book/en-us/02-usability.md b/book/en-us/02-usability.md
@@ -61,7 +61,7 @@ int main() {
         std::cout << "NULL == nullptr" << std::endl;
 
     foo(0);          // will call foo(int)
-    // foo(NULL);    // doen't compile
+    // foo(NULL);    // doesn't compile
     foo(nullptr);    // will call foo(char*)
     return 0;
 }
diff --git a/code/2/2.01.nullptr.cpp b/code/2/2.01.nullptr.cpp
@@ -22,7 +22,7 @@ int main() {
         std::cout << "NULL == nullptr" << std::endl;
 
     foo(0);          // will call foo(int)
-    // foo(NULL);    // doen't compile
+    // foo(NULL);    // doesn't compile
     foo(nullptr);    // will call foo(char*)
     return 0;
 }

Original file line number	Diff line number	Diff line change
`@@ -61,7 +61,7 @@ int main() {`
`61`	`61`	`std::cout << "NULL == nullptr" << std::endl;`
`62`	`62`
`63`	`63`	`foo(0); // will call foo(int)`
`64`		`- // foo(NULL); // doen't compile`
	`64`	`+ // foo(NULL); // doesn't compile`
`65`	`65`	`foo(nullptr); // will call foo(char*)`
`66`	`66`	`return 0;`
`67`	`67`	`}`
Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ int main() {`
`22`	`22`	`std::cout << "NULL == nullptr" << std::endl;`
`23`	`23`
`24`	`24`	`foo(0); // will call foo(int)`
`25`		`- // foo(NULL); // doen't compile`
	`25`	`+ // foo(NULL); // doesn't compile`
`26`	`26`	`foo(nullptr); // will call foo(char*)`
`27`	`27`	`return 0;`
`28`	`28`	`}`