From f69428880336a186aa24715a7a1a0c02b73d8cea Mon Sep 17 00:00:00 2001
From: Wilfried Kirschenmann <17836122+wkirschenmann@users.noreply.github.com>
Date: Wed, 23 Aug 2023 12:20:24 +0200
Subject: [PATCH] Restore language version 10

---
 Client/src/Common/Submitter/ApiExt/GrpcArmoniKClient.cs  | 7 ++-----
 Client/src/Common/Submitter/ApiExt/RetryArmoniKClient.cs | 6 +-----
 Directory.Build.props                                    | 2 +-
 3 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/Client/src/Common/Submitter/ApiExt/GrpcArmoniKClient.cs b/Client/src/Common/Submitter/ApiExt/GrpcArmoniKClient.cs
index 754e5c6a..692bb168 100644
--- a/Client/src/Common/Submitter/ApiExt/GrpcArmoniKClient.cs
+++ b/Client/src/Common/Submitter/ApiExt/GrpcArmoniKClient.cs
@@ -410,11 +410,8 @@ internal static void ValidateRetryArguments(int    maxRetries,
     if (maxRetries != 1 || totalTimeoutMs != 1e10)
     {
       throw new ArgumentOutOfRangeException(nameof(maxRetries),
-                                            $"""
-                                             {nameof(GrpcArmoniKClient)} has no retry policy and only support a single call.
-                                             {maxRetries} must be equal to 1.
-                                             {totalTimeoutMs} must be equal to 1e10 ({1e10}).
-                                             """);
+                                            $"{nameof(GrpcArmoniKClient)} has no retry policy and only support a single call.\r\n" +
+                                            $"{maxRetries} must be equal to 1.\r\n" + $"{totalTimeoutMs} must be equal to 1e10 ({1e10}).");
     }
   }
 }
diff --git a/Client/src/Common/Submitter/ApiExt/RetryArmoniKClient.cs b/Client/src/Common/Submitter/ApiExt/RetryArmoniKClient.cs
index 515d66ed..e7b73792 100644
--- a/Client/src/Common/Submitter/ApiExt/RetryArmoniKClient.cs
+++ b/Client/src/Common/Submitter/ApiExt/RetryArmoniKClient.cs
@@ -244,11 +244,7 @@ internal async Task<T> ApplyRetryPolicy<T>(Func<CancellationToken, Task<T>> acti
 
     if (policyResult.Outcome == OutcomeType.Failure)
     {
-      throw new ArmoniKException($"""
-                                  Call to {callerName} failed the retry policy.
-                                  Reason is: {policyResult.FaultType}.
-                                  See previous log for details.
-                                  """,
+      throw new ArmoniKException($"Call to {callerName} failed the retry policy.\r\nReason is: {policyResult.FaultType}.\r\nSee previous log for details.",
                                  policyResult.FinalException);
     }
 
diff --git a/Directory.Build.props b/Directory.Build.props
index a773d54e..07e56ff0 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -67,7 +67,7 @@
     <!--Code analysis-->
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <Nullable>enable</Nullable>
-    <LangVersion>11</LangVersion>
+    <LangVersion>10</LangVersion>
     <!-- Ready for the future
       <AnalysisLevel>latest</AnalysisLevel>
       <AnalysisMode>AllEnabledByDefault</AnalysisMode>