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-rw-r--r--duration.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/duration.go b/duration.go
index db8bfd5..66ed7ac 100644
--- a/duration.go
+++ b/duration.go
@@ -16,6 +16,10 @@ func (d *durationValue) Set(s string) error {
return err
}
+func (d *durationValue) Type() string {
+ return "duration"
+}
+
func (d *durationValue) String() string { return (*time.Duration)(d).String() }
// DurationVar defines a time.Duration flag with specified name, default value, and usage string.