fix last-minute ARGREP result change

Author: mgravell

src/StackExchange.Redis/ResultProcessor.Arrays.cs

@@ -75,6 +75,8 @@ protected override bool SetResultCore(PhysicalConnection connection, Message mes
 
     private sealed class RedisArrayEntryArrayProcessor : ValuePairInterleavedProcessorBase<RedisArrayEntry>
     {
+        protected override bool AllowJaggedPairs(in RawResult result) => true; // i.e. even in RESP2
+
         protected override RedisArrayEntry Parse(in RawResult first, in RawResult second, object? state)
         {
             TryParseArrayIndex(first, out RedisArrayIndex index);

src/StackExchange.Redis/ResultProcessor.cs

@@ -699,7 +699,7 @@ internal abstract class ValuePairInterleavedProcessorBase<T> : ResultProcessor<T
             // happened, and we need to handle that; thus, by default, we'll detect jagged data
             // and handle it automatically; this virtual is included so we can turn it off
             // on a per-processor basis if needed
-            protected virtual bool AllowJaggedPairs => true;
+            protected virtual bool AllowJaggedPairs(in RawResult result) => result.IsResp3;
 
             public bool TryParse(in RawResult result, out T[]? pairs)
                 => TryParse(result, out pairs, false, out _);
@@ -719,7 +719,7 @@ public bool TryParse(in RawResult result, out T[]? pairs)
                     return [];
                 }
 
-                bool interleaved = !(result.IsResp3 && AllowJaggedPairs && IsAllJaggedPairs(arr));
+                bool interleaved = !(AllowJaggedPairs(result) && IsAllJaggedPairs(arr));
                 if (interleaved) count >>= 1; // so: half of that
                 var pairs = allowOversized ? ArrayPool<T>.Shared.Rent(count) : new T[count];
 
@@ -2287,7 +2287,7 @@ protected override bool SetResultCore(PhysicalConnection connection, Message mes
 
         private sealed class RedisStreamInterleavedProcessor : ValuePairInterleavedProcessorBase<RedisStream>
         {
-            protected override bool AllowJaggedPairs => false; // we only use this on a flattened map
+            protected override bool AllowJaggedPairs(in RawResult result) => false; // we only use this on a flattened map
 
             public static readonly RedisStreamInterleavedProcessor Instance = new();
             private RedisStreamInterleavedProcessor()