bump: support .net6

Bencodex/Bencodex.csproj

@@ -24,7 +24,7 @@
     <NoWarn>CS1591</NoWarn>
     <IsTestProject>false</IsTestProject>
     <DebugType>portable</DebugType>
-    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
     <CodeAnalysisRuleSet>../Bencodex.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>

Bencodex/Misc/KeyComparer.cs

@@ -19,7 +19,7 @@ private KeyComparer()
         }
 
         /// <inheritdoc cref="IComparer{T}.Compare(T, T)"/>
-        public int Compare(IKey x, IKey y)
+        public int Compare(IKey? x, IKey? y)
         {
             if (x is Binary xb && y is Binary yb)
             {
@@ -30,7 +30,7 @@ public int Compare(IKey x, IKey y)
                 return xt.CompareTo(yt);
             }
 
-            return (x.Kind == ValueKind.Text).CompareTo(y.Kind == ValueKind.Text);
+            return (x?.Kind == ValueKind.Text).CompareTo(y?.Kind == ValueKind.Text);
         }
     }
 }

Bencodex/Types/Binary.cs

@@ -193,7 +193,7 @@ public static Binary FromBase64(string base64)
 
         public override bool Equals(object? obj) => obj is Binary other && Equals(other);
 
-        public bool Equals(IValue other) => other is Binary i && Equals(i);
+        public bool Equals(IValue? other) => other is Binary i && Equals(i);
 
         public bool Equals(Binary other) => ByteArray.SequenceEqual(other.ByteArray);
 

Bencodex/Types/Boolean.cs

@@ -70,9 +70,9 @@ public int CompareTo(object? obj)
 
         public bool Equals(Boolean other) => Value == other.Value;
 
-        public bool Equals(IValue other) => other is Boolean b && Equals(b);
+        public bool Equals(IValue? other) => other is Boolean b && Equals(b);
 
-        public override bool Equals(object obj) => obj is Boolean b && Equals(b);
+        public override bool Equals(object? obj) => obj is Boolean b && Equals(b);
 
         public override int GetHashCode()
         {

Bencodex/Types/Dictionary.cs

@@ -1039,7 +1039,7 @@ public IEnumerator<KeyValuePair<IKey, IValue>> GetEnumerator()
         /// <inheritdoc cref="IReadOnlyDictionary{TKey,TValue}.TryGetValue(TKey, out TValue)"/>
         public bool TryGetValue(IKey key, out IValue value)
         {
-            if (_dict.TryGetValue(key, out IValue v))
+            if (_dict.TryGetValue(key, out IValue? v))
             {
                 value = v;
                 return true;
@@ -1629,13 +1629,13 @@ IEnumerable<KeyValuePair<IKey, IValue>> items
         public bool TryGetKey(IKey equalKey, out IKey actualKey) =>
             _dict.TryGetKey(equalKey, out actualKey);
 
-        public override bool Equals(object obj) => obj is Dictionary d && Equals(d);
+        public override bool Equals(object? obj) => obj is Dictionary d && Equals(d);
 
-        public bool Equals(IValue other) => other is Dictionary d && Equals(d);
+        public bool Equals(IValue? other) => other is Dictionary d && Equals(d);
 
-        public bool Equals(Dictionary other)
+        public bool Equals(Dictionary? other)
         {
-            if (Count == other.Count)
+            if (Count == other?.Count)
             {
                 foreach (KeyValuePair<IKey, IValue> kv in _dict)
                 {

Bencodex/Types/Integer.cs

@@ -212,9 +212,9 @@ public int CompareTo(Integer other)
             return Value.CompareTo(other.Value);
         }
 
-        public override bool Equals(object obj) => obj is Integer other && Equals(other);
+        public override bool Equals(object? obj) => obj is Integer other && Equals(other);
 
-        public bool Equals(IValue other) => other is Integer i && Equals(i);
+        public bool Equals(IValue? other) => other is Integer i && Equals(i);
 
         public bool Equals(Integer other) => Value.Equals(other.Value);
 

Bencodex/Types/List.cs

@@ -208,13 +208,13 @@ public long EncodingLength
         /// <inheritdoc cref="IReadOnlyList{T}.this[int]"/>
         public IValue this[int index] => _values[index];
 
-        public override bool Equals(object obj) => obj is List l && Equals(l);
+        public override bool Equals(object? obj) => obj is List l && Equals(l);
 
-        public bool Equals(IValue other) => other is List l && Equals(l);
+        public bool Equals(IValue? other) => other is List l && Equals(l);
 
-        public bool Equals(List other)
+        public bool Equals(List? other)
         {
-            if (Count == other.Count)
+            if (Count == other?.Count)
             {
                 for (int i = 0; i < Count; i++)
                 {
@@ -389,7 +389,7 @@ int IImmutableList<IValue>.IndexOf(
             IValue item,
             int index,
             int count,
-            IEqualityComparer<IValue> equalityComparer
+            IEqualityComparer<IValue>? equalityComparer
         ) =>
             _values.IndexOf(
                 item,
@@ -414,7 +414,7 @@ int IImmutableList<IValue>.LastIndexOf(
             IValue item,
             int index,
             int count,
-            IEqualityComparer<IValue> equalityComparer
+            IEqualityComparer<IValue>? equalityComparer
         ) =>
             _values.LastIndexOf(
                 item,
@@ -425,7 +425,7 @@ IEqualityComparer<IValue> equalityComparer
         [Obsolete("This operation immediately loads all unloaded values on the memory.")]
         IImmutableList<IValue> IImmutableList<IValue>.Remove(
             IValue value,
-            IEqualityComparer<IValue> equalityComparer
+            IEqualityComparer<IValue>? equalityComparer
         ) =>
             new List(_values.Remove(value, equalityComparer));
 
@@ -441,7 +441,7 @@ IImmutableList<IValue> IImmutableList<IValue>.RemoveAt(int index) =>
         [Obsolete("This operation immediately loads all unloaded values on the memory.")]
         IImmutableList<IValue> IImmutableList<IValue>.RemoveRange(
             IEnumerable<IValue> items,
-            IEqualityComparer<IValue> equalityComparer
+            IEqualityComparer<IValue>? equalityComparer
         ) =>
             new List(_values.RemoveRange(items.Select(v => v), equalityComparer));
 
@@ -452,7 +452,7 @@ IImmutableList<IValue> IImmutableList<IValue>.RemoveRange(int index, int count)
         IImmutableList<IValue> IImmutableList<IValue>.Replace(
             IValue oldValue,
             IValue newValue,
-            IEqualityComparer<IValue> equalityComparer
+            IEqualityComparer<IValue>? equalityComparer
         ) =>
             new List(
                 _values.Replace(

Bencodex/Types/Null.cs

@@ -29,16 +29,16 @@ namespace Bencodex.Types
 
         public override int GetHashCode() => 0;
 
-        int IComparable.CompareTo(object obj) => obj is Null ? 0 : -1;
+        int IComparable.CompareTo(object? obj) => obj is Null ? 0 : -1;
 
         int IComparable<Null>.CompareTo(Null other) => 0;
 
-        public override bool Equals(object obj)
+        public override bool Equals(object? obj)
         {
             return ReferenceEquals(null, obj) || obj is Null;
         }
 
-        bool IEquatable<IValue>.Equals(IValue other) =>
+        bool IEquatable<IValue>.Equals(IValue? other) =>
             other is Null;
 
         bool IEquatable<Null>.Equals(Null other) => true;

Bencodex/Types/Text.cs

@@ -64,11 +64,11 @@ public static implicit operator Text(string s)
 
         public static bool operator !=(string left, Text right) => !left.Equals(right.Value);
 
-        public bool Equals(IValue other) => other is Text t && Equals(t);
+        public bool Equals(IValue? other) => other is Text t && Equals(t);
 
         public bool Equals(Text other) => Value.Equals(other);
 
-        public override bool Equals(object obj) => obj is Text t && Equals(t);
+        public override bool Equals(object? obj) => obj is Text t && Equals(t);
 
         public override int GetHashCode()
         {