add: type assertion

2019-08-23 17:07:45 +03:00
parent e0b2786fd9
commit 39aed37a88
23 changed files with 291 additions and 48 deletions
--- a/interfaces/05-assertion/book.go
+++ b/interfaces/05-assertion/book.go
@@ -10,9 +10,8 @@ package main
 import "fmt"

 type book struct {
-	title    string
-	price    money
-	readTime int
+	title string
+	price money
 }

 func (b book) print() {