onion_random.md

Module onion_random

• Description
• Function Index
• Function Details

Utilities for working with random data.

Authors: Alexander Færøy (ahf@0x90.dk).

Description

Function Index

bytes/1	Return N random bytes.
bytes_unsigned/1	Return N random bytes as an unsigned integer.
coin_toss/0	Toss a coin.
hostname/4	Return random hostname.
pick/1	Return a random element from a given list.
time_range/2	Return an UNIX epoch within Start and End.

Function Details

bytes/1

bytes(N) -> RandomBytes

• N = non_neg_integer()
• RandomBytes = binary()

Return N random bytes.

bytes_unsigned/1

bytes_unsigned(N) -> RandomUnsigned

• N = non_neg_integer()
• RandomUnsigned = non_neg_integer()

Return N random bytes as an unsigned integer.

coin_toss/0

coin_toss() -> head | tail

Toss a coin.

hostname/4

hostname(Min, Max, Prefix, Suffix) -> inet:hostname()

• Min = non_neg_integer()
• Max = non_neg_integer()
• Prefix = string()
• Suffix = string()

Return random hostname.

pick/1

pick(List) -> Element

• Element = term()
• List = [Element]

Return a random element from a given list.

time_range/2

time_range(Min, Max) -> Result

• Min = non_neg_integer()
• Max = non_neg_integer()
• Result = non_neg_integer()

Return an UNIX epoch within Start and End.