fastrand

Module global_rng

Source
Expand description

A global, thread-local random number generator.

Macros§

Structs§

  • RestoreOnDrop 🔒
    Make sure the original RNG is restored even on panic.

Constants§

Functions§

  • alphabetic
    Generates a random char in ranges a-z and A-Z.
  • alphanumeric
    Generates a random char in ranges a-z, A-Z and 0-9.
  • bool
    Generates a random bool.
  • char
    Generates a random char in the given range.
  • choice
    Choose an item from an iterator at random.
  • choose_multiple
    Collects amount values at random from the iterable into a vector.
  • digit
    Generates a random digit in the given base.
  • f32
    Generates a random f32 in range 0..1.
  • f64
    Generates a random f64 in range 0..1.
  • fill
    Fill a byte slice with random data.
  • get_seed
    Gives back current seed that is being held by the thread-local generator.
  • i8
    Generates a random i8 in the given range.
  • i16
    Generates a random i16 in the given range.
  • i32
    Generates a random i32 in the given range.
  • i64
    Generates a random i64 in the given range.
  • i128
    Generates a random i128 in the given range.
  • isize
    Generates a random isize in the given range.
  • lowercase
    Generates a random char in range a-z.
  • random_seed 🔒
  • seed
    Initializes the thread-local generator with the given seed.
  • shuffle
    Shuffles a slice randomly.
  • try_with_rng 🔒
    Try to run an operation with the current thread-local generator.
  • u8
    Generates a random u8 in the given range.
  • u16
    Generates a random u16 in the given range.
  • u32
    Generates a random u32 in the given range.
  • u64
    Generates a random u64 in the given range.
  • u128
    Generates a random u128 in the given range.
  • uppercase
    Generates a random char in range A-Z.
  • usize
    Generates a random usize in the given range.
  • with_rng 🔒
    Run an operation with the current thread-local generator.