Use upstream slack-go/slack again (#1018)

1 files changed, 18 insertions, 0 deletions

diff --git a/vendor/github.com/slack-go/slack/internal/timex/timex.go b/vendor/github.com/slack-go/slack/internal/timex/timex.go
new file mode 100644
index 00000000..40063f73
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/internal/timex/timex.go
@@ -0,0 +1,18 @@
+package timex
+
+import "time"
+
+// Max returns the maximum duration
+func Max(values ...time.Duration) time.Duration {
+	var (
+		max time.Duration
+	)
+
+	for _, v := range values {
+		if v > max {
+			max = v
+		}
+	}
+
+	return max
+}