fix sorted() (#674)

2016-12-26 19:51:31 +08:00
parent ef577dbad4
commit de4a848d6f
1 changed files with 9 additions and 9 deletions
--- a/source/chapter2/04_Collection_Types.md
+++ b/source/chapter2/04_Collection_Types.md
@ -448,7 +448,7 @@ let oddDigits: Set = [1, 3, 5, 7, 9]
 let evenDigits: Set = [0, 2, 4, 6, 8]
 let singleDigitPrimeNumbers: Set = [2, 3, 5, 7]

-oddDigits.union(evenDigits).sort()
+oddDigits.union(evenDigits).sorted()
 // [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
 oddDigits. intersection(evenDigits).sorted()
 // []