From 0686b40f979f4607b3fd8cca21c463e98f617666 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Mon, 20 Apr 2026 13:43:01 +0200
Subject: implement builder and instance

---
 src/arg.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/arg.lua')

diff --git a/src/arg.lua b/src/arg.lua
index 1254b71..de19c77 100644
--- a/src/arg.lua
+++ b/src/arg.lua
@@ -82,9 +82,12 @@ return function (opts)
 			else
 				local option = params[flag]
 
-				if option == nil then
+				if option == nil and opts.strict then
 					print("error: unknown flag '" .. flag .. "'")
 					help(opts)
+				elseif option == nil then
+					option = { name = flag, kind = 'property' }
+					params[flag] = option
 				end
 
 				if option.kind == 'flag' then
-- 
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