public static bool SetRefProperty <TProperty>(this IFreezable that, ref TProperty thisProperty, TProperty value)
where TProperty : class
{
if (ReferenceEquals(thisProperty, value))
{
return(false);
}
that.ThrowIfFrozen();
thisProperty = value;
return(true);
}
public static bool SetValueProperty <TProperty>(this IFreezable that, ref TProperty thisProperty, TProperty value)
where TProperty : struct
{
if (thisProperty.Equals(value))
{
return(false);
}
that.ThrowIfFrozen();
thisProperty = value;
return(true);
}
public static bool SetValueProperty <TProperty>(this IFreezable that, ref Nullable <TProperty> thisProperty, Nullable <TProperty> value)
where TProperty : struct
{
if (thisProperty.HasValue && value.HasValue && thisProperty.Value.Equals(value.Value))
{
return(false);
}
if (!thisProperty.HasValue && !value.HasValue)
{
return(false);
}
that.ThrowIfFrozen();
thisProperty = value;
return(true);
}
//[System.Diagnostics.DebuggerStepThrough]
//[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.NoOptimization)]
public static bool SetStringProperty(this IFreezable that, ref string thisProperty, string value, string nameOfProperty = null)
{
//if (value == string.Empty) { value = null; }
if (ReferenceEquals(thisProperty, value))
{
return(false);
}
if (string.Equals(thisProperty, value, System.StringComparison.Ordinal))
{
return(false);
}
that.ThrowIfFrozen(nameOfProperty);
thisProperty = value;
return(true);
}