ulid-generator-rs

A Rust crate for generating ULIDs.

Install to Cargo.toml

Add this to your Cargo.toml:

[dependencies]
ulid-generator-rs = "<<version>>"

About ULID

ULID is Universally Unique Lexicographically Sortable Identifier.

For more information, please check the following specifications.

• ULID Spec

Usage

use ulid_generator_rs::{ULIDGenerator, ULID};

let mut generator: ULIDGenerator = ULIDGenerator::new();
let ulid: ULID = generator.generate().unwrap();
let str: String = ulid.to_string();
println!("{}", str); // "01ETGRM6448X1HM0PYWG2KT648"

Alternative crates

• https://github.com/dylanhart/ulid-rs
• https://github.com/huxi/rusty_ulid
• https://github.com/suyash/ulid-rs

Benchmarks

gen_ulid_and_to_string/j5ik2o/ulid-generator-rs/gen_to_str/0
time:   [117.15 ns 117.26 ns 117.39 ns]
change: [-1.7662% -0.9620% -0.3349%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 3 outliers among 100 measurements (3.00%)
2 (2.00%) high mild
1 (1.00%) high severe

gen_ulid_and_to_string/dylanhart/ulid-rs/gen_to_str/0
time:   [115.63 ns 115.81 ns 116.04 ns]
change: [-1.0856% -0.8741% -0.6850%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 4 outliers among 100 measurements (4.00%)
2 (2.00%) high mild
2 (2.00%) high severe

gen_ulid_and_to_string/huxi/rusty_ulid/gen_to_str/0
time:   [126.32 ns 126.46 ns 126.60 ns]
change: [-0.4696% -0.3016% -0.1476%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 2 outliers among 100 measurements (2.00%)
2 (2.00%) high mild

gen_ulid_and_to_string/suyash/ulid-rs/gen_to_str/0
time:   [157.22 ns 157.35 ns 157.49 ns]
change: [-1.6453% -1.4630% -1.2639%] (p = 0.00 < 0.05)
Performance has improved.
Found 4 outliers among 100 measurements (4.00%)
3 (3.00%) high mild
1 (1.00%) high severe

License

Licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.