Generator

import { Generator } from "destack:fuzz";

Value generator.

language/library/src/fuzz/generator.ds:29:119

1export class Generator<T> {2    static bool(): Generator<boolean>;3    static int32(range?: RangeBounds<int32> | undefined): Generator<int32>;4    static uint32(range?: RangeBounds<uint32> | undefined): Generator<uint32>;5    static int64(range?: RangeBounds<int64> | undefined): Generator<int64>;6    static uint64(range?: RangeBounds<uint64> | undefined): Generator<uint64>;7    static float64(options?: FloatOptions | undefined): Generator<float64>;8    static string(options?: StringOptions | undefined): Generator<string>;9    static array<T>(options: ArrayOptions<T>): Generator<T[]>;10    static fromSchema<T>(schema: &'a readonly Schema<T>): Generator<T>;11    static constant<T>(value: T): Generator<T>;12    static oneOf<T>(generators: [Generator<T>]): Generator<T>;13    static weighted<T>(choices: [Weight<T>]): Generator<T>;14    optional(): Generator<T | undefined>;15    map<U>(body: (T) => U): Generator<U>;16    flatMap<U>(body: (T) => Generator<U>): Generator<U>;17    filter(predicate: (T) => boolean): Generator<T>;18    and<U>(other: Generator<U>): Generator<(T, U)>;19    shrink(value: T): Generator<T>;20}

Members

static bool(): Generator<boolean>: Generate boolean values.
static int32(range?: RangeBounds<int32> | undefined): Generator<int32>: Generate signed 32-bit integers.
static uint32(range?: RangeBounds<uint32> | undefined): Generator<uint32>: Generate unsigned 32-bit integers.
static int64(range?: RangeBounds<int64> | undefined): Generator<int64>: Generate signed 64-bit integers.
static uint64(range?: RangeBounds<uint64> | undefined): Generator<uint64>: Generate unsigned 64-bit integers.
static float64(options?: FloatOptions | undefined): Generator<float64>: Generate floating-point values.
static string(options?: StringOptions | undefined): Generator<string>: Generate strings.
static array<T>(options: ArrayOptions<T>): Generator<T[]>: Generate arrays.
static fromSchema<T>(schema: &'a readonly Schema<T>): Generator<T>: Generate values from a schema.
static constant<T>(value: T): Generator<T>: Generate one constant value.
static oneOf<T>(generators: [Generator<T>]): Generator<T>: Generate one value from generators.
static weighted<T>(choices: [Weight<T>]): Generator<T>: Generate one value from weighted choices.
optional(): Generator<T | undefined>: Generate optional values.
map(body: (T) => U): Generator: Map generated values.
flatMap(body: (T) => Generator): Generator: Generate another value from each generated value.
filter(predicate: (T) => boolean): Generator<T>: Keep generated values that match predicate.
and(other: Generator): Generator<(T, U)>: Generate a pair from this generator and other.
shrink(value: T): Generator<T>: Shrink value toward simpler generated values.