public static TTarget GetValueConnectedTry <TSource, TTarget>(this IReadOnlyDecoration sourceDecoration, DecorationKey <TSource> sourceDecorationKey,
Func <TSource, TTarget> transformer, out bool found)
{
TTarget targetValue;
found = sourceDecoration.TryGetValueConnected(sourceDecorationKey, transformer, out targetValue);
return(targetValue);
}
public static bool TryGetValueConnected <TSource, TTarget>(this IReadOnlyDecoration sourceDecoration, DecorationKey <TSource> sourceDecorationKey,
Func <TSource, TTarget> transformer, out TTarget targetValue)
{
TSource sourceValue;
bool found = sourceDecoration.TryGetValue(sourceDecorationKey, out sourceValue);
targetValue = found ? transformer(sourceValue) : default(TTarget);
return(found);
}