Struct UUID 

pub struct UUID { /* private fields */ }

Methods from Deref<Target = Uuid>

pub fn get_variant(&self) -> Option<UuidVariant>

Returns the variant of the Uuid structure.

This determines the interpretation of the structure of the UUID. Currently only the RFC4122 variant is generated by this module.

• Variant Reference

pub fn get_version_num(&self) -> usize

Returns the version number of the Uuid.

This represents the algorithm used to generate the contents.

Currently only the Random (V4) algorithm is supported by this module. There are security and privacy implications for using older versions - see Wikipedia: Universally Unique Identifier for details.

• Version Reference

pub fn get_version(&self) -> Option<UuidVersion>

Returns the version of the Uuid.

This represents the algorithm used to generate the contents

pub fn as_bytes(&self) -> &[u8; 16]

Return an array of 16 octets containing the UUID data

Examples

use uuid::Uuid;

let uuid = Uuid::nil();
assert_eq!(uuid.as_bytes(), &[0; 16]);

let uuid = Uuid::parse_str("936DA01F9ABD4d9d80C702AF85C822A8").unwrap();
assert_eq!(uuid.as_bytes(),
           &[147, 109, 160, 31, 154, 189, 77, 157,
             128, 199, 2, 175, 133, 200, 34, 168]);

pub fn simple(&self) -> Simple<'_>

Returns a wrapper which when formatted via fmt::Display will format a string of 32 hexadecimal digits.

Examples

use uuid::Uuid;

let uuid = Uuid::nil();
assert_eq!(uuid.simple().to_string(),
           "00000000000000000000000000000000");

pub fn hyphenated(&self) -> Hyphenated<'_>

Returns a wrapper which when formatted via fmt::Display will format a string of hexadecimal digits separated into groups with a hyphen.

Examples

use uuid::Uuid;

let uuid = Uuid::nil();
assert_eq!(uuid.hyphenated().to_string(),
           "00000000-0000-0000-0000-000000000000");

pub fn urn(&self) -> Urn<'_>

Returns a wrapper which when formatted via fmt::Display will format a string of the UUID as a full URN string.

Examples

use uuid::Uuid;

let uuid = Uuid::nil();
assert_eq!(uuid.urn().to_string(),
           "urn:uuid:00000000-0000-0000-0000-000000000000");

pub fn to_timestamp(&self) -> Option<(u64, u16)>

Returns an Optional Tuple of (u64, u16) representing the timestamp and counter portion of a V1 UUID. If the supplied UUID is not V1, this will return None

pub fn is_nil(&self) -> bool

Tests if the UUID is nil

Trait Implementations

impl Deref for UUID

type Target = Uuid

The resulting type after dereferencing.

fn deref(&self) -> &Uuid

Dereferences the value.

impl LazyStatic for UUID