From 57cf5fe2b9c86326a0d84b1d163b24256a1d4c36 Mon Sep 17 00:00:00 2001
From: Joe4evr <jii.geugten@gmail.com>
Date: Mon, 20 Apr 2020 16:04:36 +0200
Subject: [PATCH] Fallback on the default value on a failed read

---
 src/Discord.Net.Commands/Info/ParameterInfo.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Discord.Net.Commands/Info/ParameterInfo.cs b/src/Discord.Net.Commands/Info/ParameterInfo.cs
index b435b301a..7090ff59d 100644
--- a/src/Discord.Net.Commands/Info/ParameterInfo.cs
+++ b/src/Discord.Net.Commands/Info/ParameterInfo.cs
@@ -90,7 +90,10 @@ namespace Discord.Commands
         public async Task<TypeReaderResult> ParseAsync(ICommandContext context, string input, IServiceProvider services = null)
         {
             services = services ?? EmptyServiceProvider.Instance;
-            return await _reader.ReadAsync(context, input, services).ConfigureAwait(false);
+            var readerResult = await _reader.ReadAsync(context, input, services).ConfigureAwait(false);
+            return (!readerResult.IsSuccess && IsOptional)
+                ? TypeReaderResult.FromSuccess(DefaultValue)
+                : readerResult;
         }
 
         public override string ToString() => Name;