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Loyc.Collections.AListReverseView< K, T > Struct Template Reference

A reverse view of an AList. More...


Source file:
Inheritance diagram for Loyc.Collections.AListReverseView< K, T >:
Loyc.Collections.IListSource< out T > Loyc.Collections.ISource< out T > Loyc.Collections.ITryGet< in K, out V > Loyc.Collections.IIndexed< in K, out V > Loyc.Collections.ICount Loyc.Collections.IIsEmpty

Remarks

A reverse view of an AList.

Public fields

AListBase< K, T > _list
 
int Count => _list.Count
 
bool IsEmpty => _list.Count == 0
 

Properties

this[int index] [get]
 
- Properties inherited from Loyc.Collections.ISource< out T >
new int Count [get]
 Gets the number of items in the collection. More...
 
- Properties inherited from Loyc.Collections.ICount
int Count [get]
 Gets the number of items in the collection. More...
 
- Properties inherited from Loyc.Collections.IIsEmpty
bool IsEmpty [get]
 
- Properties inherited from Loyc.Collections.IIndexed< in K, out V >
this[K key] [get]
 Gets the value associated with the specified key. More...
 

Public Member Functions

 AListReverseView (AListBase< K, T > list)
 
TryGet (int index, out bool fail)
 
ReverseBinumerator< T > GetEnumerator ()
 
IEnumerator< T > IEnumerable< T >. GetEnumerator ()
 
System.Collections.IEnumerator
System.Collections.IEnumerable. 
GetEnumerator ()
 
IListSource< T > IListSource< T >. Slice (int start, int count)
 Returns a sub-range of this list. More...
 
Slice_< T > Slice (int start, int count)
 Returns a sub-range of this list. More...
 
- Public Member Functions inherited from Loyc.Collections.ITryGet< in K, out V >
TryGet (K key, out bool fail)
 Gets the item for the specified key or index, and does not throw an exception on failure. More...
 

Member Function Documentation

IListSource<T> IListSource<T>. Loyc.Collections.AListReverseView< K, T >.Slice ( int  start,
int  count 
)
inline

Returns a sub-range of this list.

Parameters
startThe new range will start at this index in the current list (this location will be index [0] in the new range).
countThe desired number of elements in the new range, or int.MaxValue to get all elements until the end of the list.
Returns
Returns a sub-range of this range.
Exceptions
ArgumentExceptionThe start index was below zero.

The (start, count) range is allowed to be invalid, as long as start is zero or above.

  • If count is below zero, or if start is above the original Count, the Count of the new slice is set to zero.
  • if (start + count) is above the original Count, the Count of the new slice is reduced to this.Count - start. Implementation note: do not compute (start + count) because it may overflow. Instead, test whether (count > this.Count - start).

Most collections should use the following implementation:

IListSource<T> IListSource<T>.Slice(int start, int count) { return Slice(start, count); }
public Slice_<T> Slice(int start, int count) { return new Slice_<T>(this, start, count); }

Implements Loyc.Collections.IListSource< out T >.

References Loyc.Collections.AListReverseView< K, T >.Slice().

Referenced by Loyc.Collections.AListReverseView< K, T >.Slice().

Slice_<T> Loyc.Collections.AListReverseView< K, T >.Slice ( int  start,
int  count 
)
inline

Returns a sub-range of this list.

Parameters
startThe new range will start at this index in the current list (this location will be index [0] in the new range).
countThe desired number of elements in the new range, or int.MaxValue to get all elements until the end of the list.
Returns
Returns a sub-range of this range.
Exceptions
ArgumentExceptionThe start index was below zero.

The (start, count) range is allowed to be invalid, as long as start is zero or above.

  • If count is below zero, or if start is above the original Count, the Count of the new slice is set to zero.
  • if (start + count) is above the original Count, the Count of the new slice is reduced to this.Count - start. Implementation note: do not compute (start + count) because it may overflow. Instead, test whether (count > this.Count - start).

Most collections should use the following implementation:

IListSource<T> IListSource<T>.Slice(int start, int count) { return Slice(start, count); }
public Slice_<T> Slice(int start, int count) { return new Slice_<T>(this, start, count); }

Implements Loyc.Collections.IListSource< out T >.