Remove once_cell dependency and use std::LazyLock instead (#610)

Author: FalkWoldmann

Cargo.lock

@@ -65,7 +65,6 @@ serde_json = { version = "1.0", features = ["preserve_order"], optional = true }
 indexmap = "2.1.0"
 hex = "0.4.2"
 base64 = "0.22.1"
-once_cell = "1.5.1"
 uuid = { version = "1.1.2", features = ["serde", "v4"] }
 serde_bytes = "0.11.5"
 serde_with = { version = "3.1.0", optional = true }

Cargo.toml

@@ -6,10 +6,12 @@ use std::{convert::TryInto, time::SystemTime};
 use std::{
     fmt,
     str::FromStr,
-    sync::atomic::{AtomicUsize, Ordering},
+    sync::{
+        atomic::{AtomicUsize, Ordering},
+        LazyLock,
+    },
 };
 
-use once_cell::sync::Lazy;
 use rand::{random, rng, Rng};
 
 use crate::error::{Error, Result};
@@ -24,8 +26,8 @@ const COUNTER_OFFSET: usize = PROCESS_ID_OFFSET + PROCESS_ID_SIZE;
 
 const MAX_U24: usize = 0xFF_FFFF;
 
-static OID_COUNTER: Lazy<AtomicUsize> =
-    Lazy::new(|| AtomicUsize::new(rng().random_range(0..=MAX_U24)));
+static OID_COUNTER: LazyLock<AtomicUsize> =
+    LazyLock::new(|| AtomicUsize::new(rng().random_range(0..=MAX_U24)));
 
 /// A wrapper around a raw 12-byte ObjectId.
 ///
@@ -204,7 +206,7 @@ impl ObjectId {
 
     /// Generate a random 5-byte array.
     fn gen_process_id() -> [u8; 5] {
-        static BUF: Lazy<[u8; 5]> = Lazy::new(random);
+        static BUF: LazyLock<[u8; 5]> = LazyLock::new(random);
 
         *BUF
     }

src/oid.rs

@@ -9,6 +9,6 @@ mod serde_helpers;
 mod spec;
 
 use modules::TestLock;
-use once_cell::sync::Lazy;
+use std::sync::LazyLock;
 
-pub(crate) static LOCK: Lazy<TestLock> = Lazy::new(TestLock::new);
+pub(crate) static LOCK: LazyLock<TestLock> = LazyLock::new(TestLock::new);