public override FdbAsyncIterator <TSource> Where(Func <TSource, bool> predicate)
{
return(FdbAsyncEnumerable.Filter <TSource>(
m_source,
m_filter.AndAlso(new AsyncFilterExpression <TSource>(predicate))
));
}
public override FdbAsyncIterator <TSource> Where(Func <TSource, CancellationToken, Task <bool> > asyncPredicate)
{
return(FdbAsyncEnumerable.Filter <TSource>(
m_source,
m_filter.AndAlso(new AsyncFilterExpression <TSource>(asyncPredicate))
));
}
public virtual FdbAsyncIterator <TResult> Where([NotNull] Func <TResult, CancellationToken, Task <bool> > asyncPredicate)
{
if (asyncPredicate == null)
{
throw new ArgumentNullException("asyncPredicate");
}
return(FdbAsyncEnumerable.Filter <TResult>(this, new AsyncFilterExpression <TResult>(asyncPredicate)));
}
public virtual FdbAsyncIterator <TResult> Where([NotNull] Func <TResult, bool> predicate)
{
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
return(FdbAsyncEnumerable.Filter <TResult>(this, new AsyncFilterExpression <TResult>(predicate)));
}