/// <summary>
/// Initializes a new instance of <see cref="DelegateEqualityComparer{T}" /> class.
/// </summary>
/// <param name="getHashCodeHandler">
/// The optional logic for <see cref="DelegateEqualityComparer{T}.GetHashCode(T)" />.
/// </param>
/// <remarks>
/// If <paramref name="getHashCodeHandler" /> is <see langword="null" />, default
/// logic from <see cref="EqualityComparer{T}.Default" /> will be used.
/// Default logic for <see cref="DelegateEqualityComparer{T}.Equals(T, T)" /> will be used here.
/// </remarks>
public DelegateEqualityComparer(GetHashCodeHandler getHashCodeHandler)
: this(null, getHashCodeHandler)
{
}
/// <summary>
/// Initializes a new instance of <see cref="DelegateEqualityComparer{T}" /> class.
/// </summary>
/// <param name="equalsHandler">
/// The optional logic for <see cref="DelegateEqualityComparer{T}.Equals(T, T)" />.
/// </param>
/// <param name="getHashCodeHandler">
/// The optional logic for <see cref="DelegateEqualityComparer{T}.GetHashCode(T)" />.
/// </param>
/// <remarks>
/// If <paramref name="equalsHandler" /> and/or <paramref name="getHashCodeHandler" /> are <see langword="null" />, default
/// logic from <see cref="EqualityComparer{T}.Default" /> will be used.
/// </remarks>
public DelegateEqualityComparer(EqualsHandler equalsHandler,
GetHashCodeHandler getHashCodeHandler)
{
this._EQUALS = equalsHandler ?? EqualityComparer <T> .Default.Equals;
this._GET_HASH_CODE = getHashCodeHandler ?? EqualityComparer <T> .Default.GetHashCode;
}