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Random.GetItems Method
Definition
- Namespace:
- System
- Assemblies:
- netstandard.dll, System.Runtime.dll
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Overloads
| Name | Description |
|---|---|
| GetItems<T>(ReadOnlySpan<T>, Int32) |
Creates an array populated with items chosen at random from the provided set of choices. |
| GetItems<T>(ReadOnlySpan<T>, Span<T>) |
Fills the elements of a specified span with items chosen at random from the provided set of choices. |
| GetItems<T>(T[], Int32) |
Creates an array populated with items chosen at random from the provided set of choices. |
GetItems<T>(ReadOnlySpan<T>, Int32)
- Source:
- Random.cs
- Source:
- Random.cs
- Source:
- Random.cs
- Source:
- Random.cs
Creates an array populated with items chosen at random from the provided set of choices.
public:
generic <typename T>
cli::array <T> ^ GetItems(ReadOnlySpan<T> choices, int length);public T[] GetItems<T>(ReadOnlySpan<T> choices, int length);member this.GetItems : ReadOnlySpan<'T> * int -> 'T[]Public Function GetItems(Of T) (choices As ReadOnlySpan(Of T), length As Integer) As T()Type Parameters
- T
The type of array.
Parameters
- choices
- ReadOnlySpan<T>
The items to use to populate the array.
- length
- Int32
The length of array to return.
Returns
An array populated with random items.
Exceptions
choices is empty.
length is not zero or a positive number.
Remarks
The method uses Next(Int32) to select items randomly from choices by index. This is used to populate a newly-created array.
Applies to
GetItems<T>(ReadOnlySpan<T>, Span<T>)
- Source:
- Random.cs
- Source:
- Random.cs
- Source:
- Random.cs
- Source:
- Random.cs
Fills the elements of a specified span with items chosen at random from the provided set of choices.
public:
generic <typename T>
void GetItems(ReadOnlySpan<T> choices, Span<T> destination);public void GetItems<T>(ReadOnlySpan<T> choices, Span<T> destination);member this.GetItems : ReadOnlySpan<'T> * Span<'T> -> unitPublic Sub GetItems(Of T) (choices As ReadOnlySpan(Of T), destination As Span(Of T))Type Parameters
- T
The type of span.
Parameters
- choices
- ReadOnlySpan<T>
The items to use to populate the span.
- destination
- Span<T>
The span to be filled with items.
Exceptions
choices is empty.
Remarks
The method uses Next(Int32) to select items randomly from choices by index and populate destination.
Applies to
GetItems<T>(T[], Int32)
- Source:
- Random.cs
- Source:
- Random.cs
- Source:
- Random.cs
- Source:
- Random.cs
Creates an array populated with items chosen at random from the provided set of choices.
public:
generic <typename T>
cli::array <T> ^ GetItems(cli::array <T> ^ choices, int length);public T[] GetItems<T>(T[] choices, int length);member this.GetItems : 'T[] * int -> 'T[]Public Function GetItems(Of T) (choices As T(), length As Integer) As T()Type Parameters
- T
The type of array.
Parameters
- choices
- T[]
The items to use to populate the array.
- length
- Int32
The length of array to return.
Returns
An array populated with random items.
Exceptions
choices is empty.
choices is null.
length is not zero or a positive number.
Remarks
The method uses Next(Int32) to select items randomly from choices by index. This is used to populate a newly-created array.
Applies to
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