cli: add multipleStrings type

Will be used for --exclude.

1 files changed, 11 insertions, 0 deletions

diff --git a/cli_args_test.go b/cli_args_test.go
index dd5dcd1..8e5ae3d 100644
--- a/cli_args_test.go
+++ b/cli_args_test.go
@@ -77,3 +77,14 @@ func TestPrefixOArgs(t *testing.T) {
 		}
 	}
 }
+
+func TestStringSlice(t *testing.T) {
+	var s multipleStrings
+	s.Set("foo")
+	s.Set("bar")
+	want := "[foo bar]"
+	have := s.String()
+	if want != have {
+		t.Errorf("Wrong string representation: want=%q have=%q", want, have)
+	}
+}