GraphQLLocation

Author: Raul Hidalgo Caballero

src/GraphQL.Common/Response/GraphQLLocation.cs

@@ -1,9 +1,11 @@
+using System;
+
 namespace GraphQL.Common.Response {
 
 	/// <summary>
 	/// Represents the location where the <see cref="GraphQLError"/> has been found
 	/// </summary>
-	public class GraphQLLocation {
+	public class GraphQLLocation : IEquatable<GraphQLLocation> {
 
 		/// <summary>
 		/// The Column
@@ -15,6 +17,51 @@ public class GraphQLLocation {
 		/// </summary>
 		public uint Line { get; set; }
 
+		/// <summary>
+		/// Returns the hash code for this instance.
+		/// </summary>
+		/// <returns>The hash code</returns>
+		public override int GetHashCode() =>
+			this.Column.GetHashCode() ^ this.Line.GetHashCode();
+
+		/// <summary>
+		/// Returns a value that indicates whether this instance is equal to a specified object
+		/// </summary>
+		/// <param name="obj">The object to compare with this instance</param>
+		/// <returns>true if obj is an instance of <see cref="GraphQLLocation"/> and equals the value of the instance; otherwise, false</returns>
+		public override bool Equals(object obj) {
+			if (obj is GraphQLLocation) {
+				return Equals(obj as GraphQLLocation);
+			}
+			return false;
+		}
+
+		/// <summary>
+		/// Returns a value that indicates whether this instance is equal to a specified object
+		/// </summary>
+		/// <param name="other">The object to compare with this instance</param>
+		/// <returns>true if other is an instance of <see cref="GraphQLLocation"/> and equals the value of the instance; otherwise, false</returns>
+		public bool Equals(GraphQLLocation other) =>
+			Equals(this.Column, other.Column) && Equals(this.Line, other.Line);
+
+		/// <summary>
+		/// Tests whether two specified <see cref="GraphQLLocation"/> instances are equivalent
+		/// </summary>
+		/// <param name="left">The <see cref="GraphQLLocation"/> instance that is to the left of the equality operator</param>
+		/// <param name="right">The <see cref="GraphQLLocation"/> instance that is to the right of the equality operator</param>
+		/// <returns>true if left and right are equal; otherwise, false</returns>
+		public static bool operator ==(GraphQLLocation left, GraphQLLocation right) =>
+			left.Equals(right);
+
+		/// <summary>
+		/// Tests whether two specified <see cref="GraphQLLocation"/> instances are not equal
+		/// </summary>
+		/// <param name="left">The <see cref="GraphQLLocation"/> instance that is to the left of the not equal operator</param>
+		/// <param name="right">The <see cref="GraphQLLocation"/> instance that is to the right of the not equal operator</param>
+		/// <returns>true if left and right are unequal; otherwise, false</returns>
+		public static bool operator !=(GraphQLLocation left, GraphQLLocation right) =>
+			!left.Equals(right);
+
 	}
 
 }