/// <summary>
/// Searches for an element that matches the conditions defined by the specified predicate,
/// and returns the zero-based index of the first occurrence within the range of elements in the <see cref="BigArray{T}"/>
/// that starts at the specified index and contains the specified number of elements.
/// </summary>
/// <param name="index">The zero-based starting index of the search.</param>
/// <param name="count">The number of elements in the section to search.</param>
/// <param name="match">The Predicate(T) delegate that defines the conditions of the element to search for.</param>
/// <returns>The zero-based index of the first occurrence of an element that matches the conditions defined by match,
/// if found; otherwise, –1. </returns>
public int FindIndex(int index, int count, Predicate <T> match)
{
if (match == null)
{
throw new ArgumentNullException("match");
}
var multyblockRange = _arrayMap.MultyblockRange(new Range(index, count));
int indexOfBlock = multyblockRange.IndexOfStartBlock;
foreach (var blockRange in multyblockRange.Ranges)
{
int findIndexResult = _blockCollection[indexOfBlock++]
.FindIndex(blockRange.Subindex, blockRange.Count, match);
if (findIndexResult != -1)
{
return(blockRange.CommonStartIndex + findIndexResult);
}
}
//If there is no needed value
return(-1);
}
