Class ListExtensions
Extension methods for lists.
Namespace: Unity.Collections
Syntax
public static class ListExtensionsMethods
RemoveAtSwapBack<T>(List<T>, Int32)
Removes the value at an index.
Declaration
public static void RemoveAtSwapBack<T>(this List<T> list, int index)Parameters
| Type | Name | Description |
|---|---|---|
| List<T> | list | The list to search. |
| Int32 | index | The index at which to remove an element from the list. |
Type Parameters
| Name | Description |
|---|---|
| T | The type of elements in the list. |
Remarks
The value at the index is overwritten by the last element of the list, and the list's length is decremented by one.
RemoveSwapBack<T>(List<T>, T)
Finds and removes the first occurrence of a particular value in the list.
Declaration
public static bool RemoveSwapBack<T>(this List<T> list, T value)Parameters
| Type | Name | Description |
|---|---|---|
| List<T> | list | The list to search. |
| T | value | The value to locate and remove. |
Returns
| Type | Description |
|---|---|
| Boolean | Returns true if an element was removed. |
Type Parameters
| Name | Description |
|---|---|
| T | The type of elements in the list. |
Remarks
If found, the first occurrence of the value is overwritten by the last element of the list, and the list's length is decremented by one.
RemoveSwapBack<T>(List<T>, Predicate<T>)
Finds and removes the first value which satisfies a predicate.
Declaration
public static bool RemoveSwapBack<T>(this List<T> list, Predicate<T> matcher)Parameters
| Type | Name | Description |
|---|---|---|
| List<T> | list | The list to search. |
| Predicate<T> | matcher | The predicate for testing the elements of the list. |
Returns
| Type | Description |
|---|---|
| Boolean | Returns true if an element was removed. |
Type Parameters
| Name | Description |
|---|---|
| T | The type of elements in the list. |
Remarks
The first value satisfying the predicate is overwritten by the last element of the list, and the list's length is decremented by one.
ToNativeArray<T>(List<T>, AllocatorManager.AllocatorHandle)
Returns an array that is a copy of this list.
Declaration
public static NativeArray<T> ToNativeArray<T>(this List<T> list, AllocatorManager.AllocatorHandle allocator)
where T : structParameters
| Type | Name | Description |
|---|---|---|
| List<T> | list | The list to copy. |
| AllocatorManager.AllocatorHandle | allocator | The allocator to use. |
Returns
| Type | Description |
|---|---|
| NativeArray<T> | An array that is a copy of this list. |
Type Parameters
| Name | Description |
|---|---|
| T | The type of elements in the list. |
ToNativeList<T>(List<T>, AllocatorManager.AllocatorHandle)
Returns a copy of this list.
Declaration
public static NativeList<T> ToNativeList<T>(this List<T> list, AllocatorManager.AllocatorHandle allocator)
where T : structParameters
| Type | Name | Description |
|---|---|---|
| List<T> | list | The list to copy. |
| AllocatorManager.AllocatorHandle | allocator | The allocator to use. |
Returns
| Type | Description |
|---|---|
| NativeList<T> | A copy of this list. |
Type Parameters
| Name | Description |
|---|---|
| T | The type of elements in the list. |