UUID.Version4.Variant2

Variant 2 version 4 UUIDs provide 122 bits of randomness.

Generating

generator : Generator (UUID Version4 Variant2)

Generator for version 4 variant 2 UUIDs. See elm-random for more information on using Generators.

( uuid, newSeed ) =
    Random.step generator model.seed

encode : UUID Version4 Variant2 -> Value

Encode a variant 2 version 4 UUID as a JSON string.

Json.Encode.encode 0 (encode someUUID) -- e.g. "\"e87947aa-42a0-4b96-d5dc-181285004d36\""

decoder : Decoder (UUID Version4 Variant2)

Decodes a UUID from a JSON string. Fails if UUID is not version 4 or variant 2.

Json.Decode.decodeValue decoder someValue
    |> UUID.canonical -- e.g. "e87947aa-42a0-4b96-d5dc-181285004d36"