From 443709c0bb12422221caa835ae3f9c5d8d6185c6 Mon Sep 17 00:00:00 2001
From: Alec Thomas <alec@swapoff.org>
Date: Sat, 12 Jan 2019 21:48:24 +1100
Subject: [PATCH] Allow multiple Vars{} to be passed.

---
 options.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/options.go b/options.go
index 7cdcfbe..450c34b 100644
--- a/options.go
+++ b/options.go
@@ -25,7 +25,9 @@ type Vars map[string]string
 
 // Apply lets Vars act as an Option.
 func (v Vars) Apply(k *Kong) error {
-	k.vars = v
+	for key, value := range v {
+		k.vars[key] = value
+	}
 	return nil
 }