Created world coordinate model.

src/Weatherstack/WorldCoordinate.cs

@@ -0,0 +1,63 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Text.Json.Serialization;
+
+using Weatherstack.Annotations.Suppression;
+
+namespace Weatherstack;
+
+/// <summary>
+///     Represents a coordinate in the world.
+/// </summary>
+public struct WorldCoordinate
+    : IEquatable<WorldCoordinate>
+{
+    /// <summary>
+    ///    Gets or sets the latitude of the coordinate.
+    /// </summary>
+    [JsonPropertyName("lat")]
+    public double Latitude { get; set; }
+
+    /// <summary>
+    ///    Gets or sets the longitude of the coordinate.
+    /// </summary>
+    [JsonPropertyName("lon")]
+    public double Longitude { get; set; }
+
+    /// <inheritdoc/>
+    [SuppressMessage(
+        category: "Style",
+        checkId: "IDE0046",
+        Justification = Justifications.GuardClausesShouldNotBeTerse)]
+    public override bool Equals(object obj)
+    {
+        if (obj is not WorldCoordinate other)
+            return false;
+
+        return Equals(other);
+    }
+
+    public bool Equals(WorldCoordinate other) => Latitude == other.Latitude
+        && Longitude == other.Longitude;
+
+    /// <inheritdoc/>
+    public override int GetHashCode()
+    {
+        #if NET6_0_OR_GREATER
+
+        return HashCode.Combine(Latitude, Longitude);
+
+        #else
+
+        return 17
+            * 23 + Latitude.GetHashCode()
+            * 23 + Longitude.GetHashCode();
+
+        #endif
+    }
+
+    public static bool operator ==(WorldCoordinate left, WorldCoordinate right) =>
+        left.Equals(right);
+
+    public static bool operator !=(WorldCoordinate left, WorldCoordinate right) =>
+        !left.Equals(right);
+}