/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <param name="obj">The object.</param>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public int GetHashCode(PropertyObserverBase <TResult> obj)
{
unchecked
{
var hashCode = obj.Observables.GetHashCode();
hashCode = (hashCode * 397) ^ obj.Observer.GetHashCode();
hashCode = (hashCode * 397)
^ (obj.PropertyExpression != null ? obj.PropertyExpression.GetHashCode() : 0);
return(hashCode);
}
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true" /> if the current object is equal to the <paramref name="other" /> parameter; otherwise,
/// <see langword="false" />.
/// </returns>
public bool Equals(PropertyObserverBase <TResult> other)
{
if (other is null)
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
if (this.PropertyExpression != other.PropertyExpression)
{
return(false);
}
return(this.Observer.Equals(other.Observer));
}
/// <summary>
/// Determines whether the specified objects are equal.
/// </summary>
/// <param name="x">The first object of type <paramref name="x" /> to compare.</param>
/// <param name="y">The second object of type <paramref name="y" /> to compare.</param>
/// <returns>
/// <see langword="true" /> if the specified objects are equal; otherwise, <see langword="false" />.
/// </returns>
public bool Equals(PropertyObserverBase <TResult> x, PropertyObserverBase <TResult> y)
{
if (ReferenceEquals(x, y))
{
return(true);
}
if (x is null)
{
return(false);
}
if (y is null)
{
return(false);
}
if (x.GetType() != y.GetType())
{
return(false);
}
return(x.Equals(y));
}