From d677901341de287c32d41eed009718d29a3ea784 Mon Sep 17 00:00:00 2001
From: sharkdp <davidpeter@web.de>
Date: Sat, 24 Mar 2018 20:23:22 +0100
Subject: [PATCH] Allow for negative numbers

---
 src/main.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main.rs b/src/main.rs
index c157fdb..4632d7e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -171,6 +171,7 @@ fn main() {
                      string '{VAR}' in each command by the current parameter value.",
                 )
                 .takes_value(true)
+                .allow_hyphen_values(true)
                 .value_names(&["VAR", "MIN", "MAX"]),
         )
         .arg(