public static IReadOnlyList <TResult> ToList <TSource, TResult>(this NodeArray.NodeArraySelectorEnumerable <TSource, TResult>?selectEnumerable)
{
if (selectEnumerable == null)
{
return(CollectionUtilities.EmptyArray <TResult>());
}
return(ToList(selectEnumerable.Value));
}
public static IReadOnlyList <TResult> ToList <TSource, TResult>(this NodeArray.NodeArraySelectorEnumerable <TSource, TResult> selectEnumerable)
{
var result = new List <TResult>(selectEnumerable.ArraySize);
foreach (var e in selectEnumerable)
{
result.Add(e);
}
return(result);
}
/// <nodoc />
public static TResult FirstOrDefault <TSource, TResult>(this NodeArray.NodeArraySelectorEnumerable <TSource, TResult> selectEnumerable, Func <TResult, bool> predicate)
{
foreach (var e in selectEnumerable)
{
var predicateResult = predicate(e);
if (predicateResult)
{
return(e);
}
}
return(default(TResult));
}
/// <nodoc />
public static IEnumerable <TResult> Where <TSource, TResult>(this NodeArray.NodeArraySelectorEnumerable <TSource, TResult> selectEnumerable, Func <TResult, bool> predicate)
{
// If the array is empty it make no sense to allocate anything.
if (selectEnumerable.ArraySize == 0)
{
return(CollectionUtilities.EmptyArray <TResult>());
}
return(Where());
IEnumerable <TResult> Where()
{
foreach (var e in selectEnumerable)
{
if (predicate(e))
{
yield return(e);
}
}
}
}