Variist/com.tegonal.variist.utils

Package-level declarations

Helper functions such as pickRandomly/takeRandomly as well as helper functions for Sequence.

Types

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typealias BigInt = BigInteger

Functions

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fun createVariistRandom(): Random

Creates a Random based on the VariistConfig behind ordered.

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fun Random.nextBigInt(toExclusive: BigInt): BigInt

Generates a random BigInt uniformly distributed between 0 (inclusive) and the specified toExclusive bound.

fun Random.nextBigInt(from: BigInt, toExclusive: BigInt): BigInt

Generates a random BigInt uniformly distributed between from (inclusive) and the specified toExclusive bound.

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fun <T> Array<T>.pickOneRandomly(): T
fun <T> Collection<T>.pickOneRandomly(): T

Picks randomly one element from this Collection based on the configured VariistConfig.seed.

fun <T> SemiOrderedArgsGenerator<T>.pickOneRandomly(seedOffset: Int = 0): T

Picks randomly one element from this SemiOrderedArgsGenerator based on the configured VariistConfig.seed.

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fun repeatForever(): Sequence<Unit>

Returns an infinite Sequence of Unit.

fun <T> repeatForever(constant: T): Sequence<T>

Returns an infinite Sequence backed by the given constant.

fun <T> repeatForever(array: Array<T>, offset: Int = 0): Sequence<T>

Returns an infinite Sequence backed by the given array, starting at the given offset.

fun <T> repeatForever(list: List<T>, offset: Int = 0): Sequence<T>

Returns an infinite Sequence backed by the given list, starting at the given offset.

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fun seedToOffset(seed: Int): Int

Makes sure the given seed is positive, so that it can be used as offset in an SemiOrderedArgsGenerator.

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fun <T> Array<T>.takeRandomly(amount: Int): List<T>

Takes the given amount of elements from this Array (likewise Array.take) but in a random way based on the configured VariistConfig.seed.

fun <T> Iterable<T>.takeRandomly(amount: Int): List<T>

Takes the given amount of elements from this Iterable (likewise Iterable.take) but in a random way based on the configured VariistConfig.seed.

fun <T> Sequence<T>.takeRandomly(amount: Int): Sequence<T>

Takes the given amount of elements from this Sequence (likewise Sequence.take) but in a random way based on the configured VariistConfig.seed.

fun <T> SemiOrderedArgsGenerator<T>.takeRandomly(amount: Int, seedOffset: Int = 0): List<T>

Takes randomly the given amount of elements from this SemiOrderedArgsGenerator.

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inline fun Int.toBigInt(): <Error class: unknown class>

Converts this Int to a BigInt.

inline fun Long.toBigInt(): <Error class: unknown class>

Converts this Long to a BigInt.