Added functions from a private repo I've been working on
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154
Cargo.lock
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154
Cargo.lock
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "cfg-if"
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"cfg-if",
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"libc",
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"wasi",
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name = "libc"
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checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
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"unicode-ident",
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[[package]]
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name = "quote"
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dependencies = [
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"proc-macro2",
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[[package]]
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name = "rand"
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"libc",
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"rand_chacha",
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"rand_core",
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dependencies = [
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"ppv-lite86",
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"rand_core",
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[[package]]
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dependencies = [
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"getrandom",
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]
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[[package]]
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name = "suid"
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version = "0.2.0"
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dependencies = [
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"rand",
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"tracing",
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]
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[[package]]
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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"pin-project-lite",
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"tracing-attributes",
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"tracing-core",
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]
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[[package]]
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name = "tracing-attributes"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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[[package]]
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name = "tracing-core"
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dependencies = [
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"once_cell",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
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[[package]]
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name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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10
Cargo.toml
10
Cargo.toml
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@ -1,6 +1,14 @@
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[package]
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name = "suid"
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version = "0.1.0"
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version = "0.2.0"
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edition = "2021"
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publish = ["ludogit"]
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authors = ["Louis Hollingworth <louis@hollingworth.nl>"]
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description = "A simple unique id library"
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readme = "README.md"
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repository = "https://git.ludoviko.ch/lucxjo/suid"
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license = "AGPL-3.0-or-later"
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[dependencies]
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rand = "0.8.5"
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tracing = "0.1.40"
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55
src/lib.rs
55
src/lib.rs
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pub fn add(left: usize, right: usize) -> usize {
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left + right
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}
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const BYTE_LENGTH: usize = 20;
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#[cfg(test)]
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mod tests {
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use super::*;
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pub type Bytes = [u8; BYTE_LENGTH];
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#[test]
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fn it_works() {
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let result = add(2, 2);
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assert_eq!(result, 4);
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#[derive(Clone, Copy, PartialEq, PartialOrd, Ord, Hash, Eq)]
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pub struct SUID(Bytes);
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impl SUID {
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/// Generates an SUID using SystemTime and a random string.
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/// The total length of the byte array will be 20.
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pub fn new() -> Self {
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use rand::distributions::{Alphanumeric, DistString};
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let time = std::time::SystemTime::now()
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.duration_since(std::time::UNIX_EPOCH)
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.unwrap()
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.as_micros();
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let mut bytes: Bytes = [0; BYTE_LENGTH];
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let b_string = format!(
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"{}{}",
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time,
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Alphanumeric.sample_string(&mut rand::thread_rng(), 4)
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);
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let b = b_string.as_bytes();
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if b.len() != BYTE_LENGTH {
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tracing::error!("Byte length wrong. Length = {}", b.len());
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}
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bytes.copy_from_slice(b);
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Self(bytes)
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}
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/// Parses an SUID as hex.
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/// Use as_string instead.
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pub fn parse(self) -> String {
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format!("{:02x?}", self.0)
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}
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/// Returns an SUID as a hexadecimal string.
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pub fn as_string(self) -> String {
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let mut string = "".to_string();
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for v in self.0 {
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string = format!("{}{:02x?}", string, v);
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}
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return string;
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}
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}
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