split the huge intvalue file (graphql-dotnet#789)

Author: SimonCropp

src/GraphQL/Language/AST/IntValue.cs

@@ -0,0 +1,15 @@
+namespace GraphQL.Language.AST
+{
+    public class BooleanValue : ValueNode<bool>
+    {
+        public BooleanValue(bool value)
+        {
+            Value = value;
+        }
+
+        protected override bool Equals(ValueNode<bool> other)
+        {
+            return Value == other.Value;
+        }
+    }
+}

src/GraphQL/Language/AST/ValueNodes/BooleanValue.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace GraphQL.Language.AST
+{
+    public class DateTimeOffsetValue : ValueNode<DateTimeOffset>
+    {
+        public DateTimeOffsetValue(DateTimeOffset value)
+        {
+            Value = value;
+        }
+
+        protected override bool Equals(ValueNode<DateTimeOffset> other)
+        {
+            return DateTimeOffset.Equals(Value, other.Value);
+        }
+    }
+}

src/GraphQL/Language/AST/ValueNodes/DateTimeOffsetValue.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace GraphQL.Language.AST
+{
+    public class DateTimeValue : ValueNode<DateTime>
+    {
+        public DateTimeValue(DateTime value)
+        {
+            Value = value;
+        }
+
+        protected override bool Equals(ValueNode<DateTime> other)
+        {
+            return DateTime.Equals(Value, other.Value);
+        }
+    }
+}

src/GraphQL/Language/AST/ValueNodes/DateTimeValue.cs

@@ -0,0 +1,15 @@
+namespace GraphQL.Language.AST
+{
+    public class DecimalValue : ValueNode<decimal>
+    {
+        public DecimalValue(decimal value)
+        {
+            Value = value;
+        }
+
+        protected override bool Equals(ValueNode<decimal> other)
+        {
+            return Value == other.Value;
+        }
+    }
+}