std/random

import "std/random" as random;

Create Rng with the default seed or provide a seed and stream:

var rng = new random.Rng(42, 7);
var die = rng.nextRangeInclusive(1, 6);
var coin = rng.nextBool();

Methods

Method	Range or effect
seed(seed, stream)	Resets the generator
nextUInt32()	Unsigned 32-bit value stored in UInt
nextInt()	Non-negative integer derived from the next value
nextBool()	Boolean
nextFloat()	Float in [0, 1)
nextFloat64()	Float64 in [0, 1)
nextUIntBounded(upper)	Value below upper; returns zero when upper is zero
nextRange(min, max)	Integer in [min, max)
nextRangeInclusive(min, max)	Integer in [min, max]
chance(probability)	Boolean with a clamped probability
shuffleInt(values)	Shuffles an []Int in place

Pcg32 and Random are aliases for Rng. Module-level helpers such as randomInt(rng) and randomRange(rng, min, max) delegate to the same object.

This is a deterministic pseudo-random generator, not a cryptographic random source.