Merge pull request #20 from google/fix

Refactor ReadLine functions

1 files changed, 10 insertions, 0 deletions

diff --git a/util/util.go b/util/util.go
index 2f20151..32e5c06 100644
--- a/util/util.go
+++ b/util/util.go
@@ -24,6 +24,8 @@
 package util
 
 import (
+	"bufio"
+	"os"
 	"unsafe"
 )
 
@@ -72,3 +74,11 @@ func MinInt64(a, b int64) int64 {
 	}
 	return b
 }
+
+// ReadLine returns a line of input from standard input. An empty string is
+// returned if the user didn't insert anything or on error.
+func ReadLine() (string, error) {
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Scan()
+	return scanner.Text(), scanner.Err()
+}