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Showing content from https://dotnet.github.io/dotNext/api/DotNext.RandomExtensions.html below:

Class RandomExtensions | .NEXT

Class RandomExtensions

Provides random data generation.

Inheritance

RandomExtensions

Namespace: DotNext Assembly: DotNext.dll Syntax

public static class RandomExtensions

Methods | Edit this page View Source GetItems<T>(Random, Span<T>)

Fills the buffer with random values of the specified type.

Declaration

public static void GetItems<T>(this Random random, Span<T> buffer) where T : unmanaged

Parameters Type Name Description Random random

The source of random numbers.

Span<T> buffer

The buffer to fill with random values.

Type Parameters Name Description T

The blittable type.

Exceptions | Edit this page View Source GetItems<T>(RandomNumberGenerator, Span<T>)

Fills the buffer with random values of the specified type.

Declaration

public static void GetItems<T>(this RandomNumberGenerator random, Span<T> buffer) where T : unmanaged

Parameters Type Name Description RandomNumberGenerator random

The source of random numbers.

Span<T> buffer

The buffer to fill with random values.

Type Parameters Name Description T

The blittable type.

Exceptions | Edit this page View Source Next(RandomNumberGenerator)

Generates non-negative integer.

Declaration

public static int Next(this RandomNumberGenerator random)

Parameters Returns Type Description int

A 32-bit signed integer that is in range [0, MaxValue).

| Edit this page View Source NextBoolean(Random, double)

Generates a random boolean value.

Declaration

public static bool NextBoolean(this Random random, double trueProbability = 0.5)

Parameters Type Name Description Random random

The source of random numbers.

double trueProbability

A probability of true result (should be between 0.0 and 1.0).

Returns Type Description bool

Randomly generated boolean value.

Exceptions | Edit this page View Source NextBoolean(RandomNumberGenerator, double)

Generates a random boolean value.

Declaration

public static bool NextBoolean(this RandomNumberGenerator random, double trueProbability = 0.5)

Parameters Type Name Description RandomNumberGenerator random

The source of random numbers.

double trueProbability

A probability of true result (should be between 0.0 and 1.0).

Returns Type Description bool

Randomly generated boolean value.

Exceptions | Edit this page View Source NextChars(Random, ReadOnlySpan<char>, Span<char>)

Generates a random set of characters.

Declaration

public static void NextChars(this Random random, ReadOnlySpan<char> allowedChars, Span<char> buffer)

Parameters Type Name Description Random random

The source of random numbers.

ReadOnlySpan<char> allowedChars

The allowed characters for the random string.

Span<char> buffer

The array to be filled with random characters.

Exceptions | Edit this page View Source NextChars(RandomNumberGenerator, ReadOnlySpan<char>, Span<char>)

Generates a random set of characters.

Declaration

public static void NextChars(this RandomNumberGenerator random, ReadOnlySpan<char> allowedChars, Span<char> buffer)

Parameters Exceptions | Edit this page View Source NextDouble(RandomNumberGenerator)

Returns a random floating-point number that is in range [0, 1).

Declaration

public static double NextDouble(this RandomNumberGenerator random)

Parameters Returns Type Description double

Randomly generated floating-point number.

| Edit this page View Source NextString(Random, ReadOnlySpan<char>, int)

Generates a random string of the given length.

Declaration

public static string NextString(this Random random, ReadOnlySpan<char> allowedChars, int length)

Parameters Type Name Description Random random

The source of random numbers.

ReadOnlySpan<char> allowedChars

The allowed characters for the random string.

int length

The length of the random string.

Returns Type Description string

Randomly generated string.

Exceptions | Edit this page View Source NextString(Random, string, int)

Generates a random string of the given length.

Declaration

public static string NextString(this Random random, string allowedChars, int length)

Parameters Type Name Description Random random

The source of random numbers.

string allowedChars

The string of allowed characters for the random string.

int length

The length of the random string.

Returns Type Description string

Randomly generated string.

Exceptions | Edit this page View Source NextString(RandomNumberGenerator, ReadOnlySpan<char>, int)

Generates a random string of the given length.

Declaration

public static string NextString(this RandomNumberGenerator random, ReadOnlySpan<char> allowedChars, int length)

Parameters Type Name Description RandomNumberGenerator random

The source of random numbers.

ReadOnlySpan<char> allowedChars

The allowed characters for the random string.

int length

The length of the random string.

Returns Type Description string

Randomly generated string.

Exceptions | Edit this page View Source NextString(RandomNumberGenerator, string, int)

Generates a random string of the given length.

Declaration

public static string NextString(this RandomNumberGenerator random, string allowedChars, int length)

Parameters Type Name Description RandomNumberGenerator random

The source of random numbers.

string allowedChars

The string of allowed characters for the random string.

int length

The length of the random string.

Returns Type Description string

Randomly generated string.

Exceptions | Edit this page View Source Next<T>(Random)

Generates a random value of blittable type.

Declaration

public static T Next<T>(this Random random) where T : unmanaged

Parameters Type Name Description Random random

The source of random numbers.

Returns Type Description T

The randomly generated value.

Type Parameters Name Description T

The blittable type.

| Edit this page View Source Next<T>(RandomNumberGenerator)

Generates a random value of blittable type.

Declaration

public static T Next<T>(this RandomNumberGenerator random) where T : unmanaged

Parameters Returns Type Description T

The randomly generated value.

Type Parameters Name Description T

The blittable type.

| Edit this page View Source Peek<T>(Random, IReadOnlyCollection<T>)

Gets the random element from the collection.

Declaration

public static Optional<T> Peek<T>(this Random random, IReadOnlyCollection<T> collection)

Parameters Type Name Description Random random

The random numbers source.

IReadOnlyCollection<T> collection

The collection to get the random element.

Returns Type Description Optional<T>

The random element from the collection; or None if collection is empty.

Type Parameters Name Description T

The type of elements in the collection.

| Edit this page View Source Peek<T>(Random, ReadOnlySpan<T>)

Chooses the random element in the span.

Declaration

public static Optional<T> Peek<T>(this Random random, ReadOnlySpan<T> span)

Parameters Type Name Description Random random

The source of random values.

ReadOnlySpan<T> span

The span of elements.

Returns Type Description Optional<T>

Randomly selected element from the span; or None if span is empty.

Type Parameters Name Description T

The type of elements in the span.

| Edit this page View Source Shuffle<T>(Random, IList<T>)

Randomizes elements in the list.

Declaration

public static void Shuffle<T>(this Random random, IList<T> list)

Parameters Type Name Description Random random

The source of random values.

IList<T> list

The list to shuffle.

Type Parameters Name Description T

The type of items in the list.

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