/// <summary>Ensures set contain only elements that are present either in the current set or in the specified collection, but not both.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to compare to the current set.</param>
/// <returns>A new set if there is any modification to current sealed set; otherwise, the current set.</returns>
public static IModels SymmetricExcept(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
IModels removedModelSet = Models.Empty;
foreach (var item in source)
{
if (other.Contains(item))
{
removedModelSet = removedModelSet.Add(item);
source = source.Remove(item);
}
}
foreach (var item in other)
{
if (removedModelSet.Contains(item))
{
source = source.Add(item);
}
}
return(source);
}
/// <summary>Determines whether the current set and the specified collection contain the same elements.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to compare to the current set.</param>
/// <returns><see langword="true"/> if the current set and the specified collection contain the same elements; otherwise, <see langword="false" />.</returns>
public static bool SetEquals(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
return(source.Count == other.Count ? source.ContainsAll(other) : false);
}
/// <summary>Determines whether the current set is a superset of a specified collection.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to compare to the current set.</param>
/// <returns><see langword="true"/> if the current set is a superset of the specified collection; otherwise, <see langword="false" />.</returns>
public static bool IsSupersetOf(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
return(source.Count >= other.Count ? source.ContainsAll(other) : false);
}
/// <summary>Determines whether the current set is a proper (strict) subset of the specified collection.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to compare to the current set.</param>
/// <returns><see langword="true"/> if the current set is a proper subset of the specified collection; otherwise, <see langword="false" />.</returns>
public static bool IsProperSubsetOf(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
return(source.Count < other.Count ? other.ContainsAll(source) : false);
}
/// <summary>Ensures set contain all elements that are present in either the current set or in the specified collection.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to add elements from.</param>
/// <returns>A new set if there is any modification to current set and current set sealed; otherwise, the current set.</returns>
public static IModels Union(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
foreach (var item in other)
{
source = source.Add(item);
}
return(source);
}
/// <summary>Determines whether the current set overlaps with the specified collection.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to compare to the current set.</param>
/// <returns><see langword="true"/> if the current set overlaps with the specified collection; otherwise, <see langword="false" />.</returns>
public static bool Overlaps(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
foreach (var item in source)
{
if (other.Contains(item))
{
return(true);
}
}
return(false);
}
/// <summary>Removes the models to ensure the set contains only models both exist in this set and the specified collection.</summary>
/// <param name="source">The current set.</param>
/// <param name="other">The collection to compare to the current set.</param>
/// <returns>A new set if there is any modification to current set and current set sealed; otherwise, the current set.</returns>
public static IModels Intersect(this IModels source, IModels other)
{
source.VerifyNotNull(nameof(source));
other.VerifyNotNull(nameof(other));
foreach (var item in source)
{
if (!other.Contains(item))
{
source = source.Remove(item);
}
}
return(source);
}
