add: money type to interfaces

2019-08-21 23:53:47 +03:00
parent c282da3c6d
commit ce5a32ecbe
21 changed files with 113 additions and 59 deletions
--- a/interfaces/02-receivers/book.go
+++ b/interfaces/02-receivers/book.go
@ -15,5 +15,5 @@ type book struct {
 }

 func (b book) print() {
-	fmt.Printf("%-15s: $%.2f \n", b.title, b.price)
+	fmt.Printf("%-15s: $%.2f\n", b.title, b.price)
 }