internal static object GetBuiltinComparer
#if !UNITY
<T>
#endif
(Type t)
{
object comparer = null;
if (t == typeof(Int16))
{
comparer = new Int16EqualityComparer();
}
else if (t == typeof(Int32))
{
comparer = new Int32EqualityComparer();
}
else if (t == typeof(Int64))
{
comparer = new Int64EqualityComparer();
}
else if (t == typeof(UInt16))
{
comparer = new UInt16EqualityComparer();
}
else if (t == typeof(UInt32))
{
comparer = new UInt32EqualityComparer();
}
else if (t == typeof(UInt64))
{
comparer = new UInt64EqualityComparer();
}
else if (t == typeof(Single))
{
comparer = new SingleEqualityComparer();
}
else if (t == typeof(Double))
{
comparer = new DoubleEqualityComparer();
}
else if (t == typeof(bool))
{
comparer = new BoolEqualityComparer();
}
else if (t == typeof(byte))
{
comparer = new ByteEqualityComparer();
}
else if (t == typeof(sbyte))
{
comparer = new SByteEqualityComparer();
}
else if (t == typeof(String))
{
comparer = new StringEqualityComparer();
}
else if (t == typeof(Char))
{
comparer = new CharEqualityComparer();
}
else if (t == typeof(TimeSpan))
{
comparer = new TimeSpanEqualityComparer();
}
else if (t == typeof(DateTime))
{
comparer = new DeteTimeEqualityComparer();
}
else if (t == typeof(DateTimeOffset))
{
comparer = new DeteTimeOffsetEqualityComparer();
}
else if (t == typeof(decimal))
{
comparer = new DecimalEqualityComparer();
}
else if (t == typeof(Guid))
{
comparer = new GuidEqualityComparer();
}
else if (t == typeof(Int16?))
{
comparer = new NullableEqualityComparer <Int16>();
}
else if (t == typeof(Int32?))
{
comparer = new NullableEqualityComparer <Int32>();
}
else if (t == typeof(Int64?))
{
comparer = new NullableEqualityComparer <Int64>();
}
else if (t == typeof(UInt16?))
{
comparer = new NullableEqualityComparer <UInt16>();
}
else if (t == typeof(UInt32?))
{
comparer = new NullableEqualityComparer <UInt32>();
}
else if (t == typeof(UInt64?))
{
comparer = new NullableEqualityComparer <UInt64>();
}
else if (t == typeof(Single?))
{
comparer = new NullableEqualityComparer <Single>();
}
else if (t == typeof(Double?))
{
comparer = new NullableEqualityComparer <Double>();
}
else if (t == typeof(bool?))
{
comparer = new NullableEqualityComparer <bool>();
}
else if (t == typeof(byte?))
{
comparer = new NullableEqualityComparer <byte>();
}
else if (t == typeof(sbyte?))
{
comparer = new NullableEqualityComparer <sbyte>();
}
else if (t == typeof(Char?))
{
comparer = new NullableEqualityComparer <Char>();
}
else if (t == typeof(TimeSpan?))
{
comparer = new NullableEqualityComparer <TimeSpan>();
}
else if (t == typeof(DateTime?))
{
comparer = new NullableEqualityComparer <DateTime>();
}
else if (t == typeof(DateTimeOffset?))
{
comparer = new NullableEqualityComparer <DateTimeOffset>();
}
else if (t == typeof(decimal?))
{
comparer = new NullableEqualityComparer <decimal>();
}
else if (t == typeof(Guid?))
{
comparer = new NullableEqualityComparer <Guid>();
}
#if !UNITY
else if (t.GetTypeInfo().GetInterfaces().Any(x => x == typeof(IKeyTuple)))
{
var ti = t.GetTypeInfo();
Type keyTupleComparerType = null;
switch (ti.GetGenericArguments().Length)
{
case 1:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <>);
break;
case 2:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <,>);
break;
case 3:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, ,>);
break;
case 4:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , ,>);
break;
case 5:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , ,>);
break;
case 6:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , , ,>);
break;
case 7:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , , , ,>);
break;
case 8:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , , , , ,>);
break;
default:
break;
}
var formatterType = keyTupleComparerType.MakeGenericType(ti.GetGenericArguments());
comparer = Activator.CreateInstance(formatterType);
}
// Unity Can't use EnumEqualityComparer.
else if (t.GetTypeInfo().IsEnum)
{
comparer = EnumEqualityComparer <T> .Default;
}
else if (t.GetTypeInfo().IsNullable() && t.GetTypeInfo().GenericTypeArguments[0].GetTypeInfo().IsEnum)
{
var formatterType = typeof(NullableEqualityComparer <>).MakeGenericType(t.GetTypeInfo().GenericTypeArguments[0]);
comparer = Activator.CreateInstance(formatterType);
}
#endif
return(comparer);
}
static ZeroFormatterEqualityComparer()
{
object comparer = null;
var t = typeof(T);
if (t == typeof(Int16))
{
comparer = new Int16EqualityComparer();
}
else if (t == typeof(Int32))
{
comparer = new Int32EqualityComparer();
}
else if (t == typeof(Int64))
{
comparer = new Int64EqualityComparer();
}
else if (t == typeof(UInt16))
{
comparer = new UInt16EqualityComparer();
}
else if (t == typeof(UInt32))
{
comparer = new UInt32EqualityComparer();
}
else if (t == typeof(UInt64))
{
comparer = new UInt64EqualityComparer();
}
else if (t == typeof(Single))
{
comparer = new SingleEqualityComparer();
}
else if (t == typeof(Double))
{
comparer = new DoubleEqualityComparer();
}
else if (t == typeof(bool))
{
comparer = new BoolEqualityComparer();
}
else if (t == typeof(byte))
{
comparer = new ByteEqualityComparer();
}
else if (t == typeof(sbyte))
{
comparer = new SByteEqualityComparer();
}
else if (t == typeof(String))
{
comparer = new StringEqualityComparer();
}
else if (t == typeof(Char))
{
comparer = new CharEqualityComparer();
}
#if !UNITY
else if (t.GetTypeInfo().GetInterfaces().Any(x => x == typeof(IKeyTuple)))
{
var ti = t.GetTypeInfo();
Type keyTupleComparerType = null;
switch (ti.GetGenericArguments().Length)
{
case 1:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <>);
break;
case 2:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <,>);
break;
case 3:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, ,>);
break;
case 4:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , ,>);
break;
case 5:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , ,>);
break;
case 6:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , , ,>);
break;
case 7:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , , , ,>);
break;
case 8:
keyTupleComparerType = typeof(KeyTupleEqualityComparer <, , , , , , ,>);
break;
default:
break;
}
var formatterType = keyTupleComparerType.MakeGenericType(ti.GetGenericArguments());
comparer = Activator.CreateInstance(formatterType);
}
// Unity Can't use EnumEqualityComparer.
else if (t.GetTypeInfo().IsEnum)
{
comparer = EnumEqualityComparer <T> .Default;
}
#endif
else
{
comparer = new ErrorEqualityComparer <T>();
}
defaultComparer = (IEqualityComparer <T>)comparer;
}