switch to LazyLock from std (Rust 1.80) (#2074)

* fix clippy lint

* switch to LazyLock from std

Cargo.toml

@@ -57,7 +57,6 @@ neli-wifi = { version = "0.6", features = ["async"] }
 nix = { version = "0.28", features = ["fs", "process"] }
 nom = "7.1.2"
 notmuch = { version = "0.8", optional = true }
-once_cell = "1"
 pipewire = { version = "0.8", default-features = false, optional = true }
 regex = "1.5"
 reqwest = { version = "0.11", features = ["json"] }

src/blocks/packages/pacman.rs

@@ -10,7 +10,7 @@ use crate::util::has_command;
 
 make_log_macro!(debug, "pacman");
 
-pub static PACMAN_UPDATES_DB: Lazy<PathBuf> = Lazy::new(|| {
+pub static PACMAN_UPDATES_DB: LazyLock<PathBuf> = LazyLock::new(|| {
     let path = match env::var_os("CHECKUPDATES_DB") {
         Some(val) => val.into(),
         None => {
@@ -27,7 +27,7 @@ pub static PACMAN_UPDATES_DB: Lazy<PathBuf> = Lazy::new(|| {
     path
 });
 
-pub static PACMAN_DB: Lazy<PathBuf> = Lazy::new(|| {
+pub static PACMAN_DB: LazyLock<PathBuf> = LazyLock::new(|| {
     let path = env::var_os("DBPath")
         .map(Into::into)
         .unwrap_or_else(|| PathBuf::from("/var/lib/pacman/"));

src/blocks/prelude.rs

@@ -17,6 +17,7 @@ pub use std::borrow::Cow;
 pub use std::collections::HashMap;
 pub use std::fmt::Write;
 pub use std::pin::Pin;
+pub use std::sync::LazyLock;
 pub use std::time::Duration;
 
 pub use tokio::io::{AsyncBufRead, AsyncBufReadExt, AsyncReadExt, AsyncWriteExt};
@@ -25,8 +26,6 @@ pub use tokio::time::sleep;
 
 pub use futures::{Stream, StreamExt};
 
-pub use once_cell::sync::Lazy;
-
 pub use smart_default::SmartDefault;
 
 pub use async_trait::async_trait;

src/blocks/privacy/pipewire.rs

@@ -13,7 +13,7 @@ use tokio::sync::Notify;
 
 use super::*;
 
-static CLIENT: Lazy<Result<Client>> = Lazy::new(Client::new);
+static CLIENT: LazyLock<Result<Client>> = LazyLock::new(Client::new);
 
 #[derive(Debug)]
 struct Node {

src/blocks/rofication.rs

@@ -95,7 +95,7 @@ async fn rofication_status(socket_path: &str) -> Result<(usize, usize)> {
 
     // Response must be two integers: regular and critical, separated either by a comma or a \n
     let (num, crit) = response
-        .split_once(|x| x == ',' || x == '\n')
+        .split_once([',', '\n'])
         .error("Incorrect response")?;
     Ok((
         num.parse().error("Incorrect response")?,

src/blocks/sound/pulseaudio.rs

@@ -20,9 +20,9 @@ use tokio::sync::Notify;
 use super::super::prelude::*;
 use super::{DeviceKind, SoundDevice};
 
-static CLIENT: Lazy<Result<Client>> = Lazy::new(Client::new);
+static CLIENT: LazyLock<Result<Client>> = LazyLock::new(Client::new);
 static EVENT_LISTENER: Mutex<Vec<Weak<Notify>>> = Mutex::new(Vec::new());
-static DEVICES: Lazy<Mutex<HashMap<(DeviceKind, String), VolInfo>>> = Lazy::new(default);
+static DEVICES: LazyLock<Mutex<HashMap<(DeviceKind, String), VolInfo>>> = LazyLock::new(default);
 
 // Default device names
 pub(super) static DEFAULT_SOURCE: Mutex<Cow<'static, str>> =

src/blocks/weather/met_no.rs

@@ -171,8 +171,8 @@ struct ForecastTimeInstant {
     relative_humidity: Option<f64>,
 }
 
-static LEGENDS: Lazy<Option<LegendsStore>> =
-    Lazy::new(|| serde_json::from_str(include_str!("met_no_legends.json")).ok());
+static LEGENDS: LazyLock<Option<LegendsStore>> =
+    LazyLock::new(|| serde_json::from_str(include_str!("met_no_legends.json")).ok());
 
 const FORECAST_URL: &str = "https://api.met.no/weatherapi/locationforecast/2.0/compact";
 

src/formatting/formatter/datetime.rs

@@ -1,18 +1,18 @@
 use chrono::format::{Fixed, Item, StrftimeItems};
 use chrono::{DateTime, Datelike, Local, LocalResult, Locale, TimeZone, Timelike};
 use chrono_tz::{OffsetName, Tz};
-use once_cell::sync::Lazy;
 
 use std::fmt::Display;
+use std::sync::LazyLock;
 
 use super::*;
 
 make_log_macro!(error, "datetime");
 
 const DEFAULT_DATETIME_FORMAT: &str = "%a %d/%m %R";
 
-pub static DEFAULT_DATETIME_FORMATTER: Lazy<DatetimeFormatter> =
-    Lazy::new(|| DatetimeFormatter::new(Some(DEFAULT_DATETIME_FORMAT), None).unwrap());
+pub static DEFAULT_DATETIME_FORMATTER: LazyLock<DatetimeFormatter> =
+    LazyLock::new(|| DatetimeFormatter::new(Some(DEFAULT_DATETIME_FORMAT), None).unwrap());
 
 #[derive(Debug)]
 pub enum DatetimeFormatter {

src/lib.rs

@@ -28,12 +28,11 @@ pub use tokio;
 use std::borrow::Cow;
 use std::future::Future;
 use std::pin::Pin;
-use std::sync::Arc;
+use std::sync::{Arc, LazyLock};
 use std::time::Duration;
 
 use futures::stream::{FuturesUnordered, StreamExt};
 use futures::Stream;
-use once_cell::sync::Lazy;
 use tokio::process::Command;
 use tokio::sync::{mpsc, Notify};
 
@@ -51,15 +50,15 @@ use crate::widget::{State, Widget};
 const APP_USER_AGENT: &str = concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"),);
 const REQWEST_TIMEOUT: Duration = Duration::from_secs(10);
 
-static REQWEST_CLIENT: Lazy<reqwest::Client> = Lazy::new(|| {
+static REQWEST_CLIENT: LazyLock<reqwest::Client> = LazyLock::new(|| {
     reqwest::Client::builder()
         .user_agent(APP_USER_AGENT)
         .timeout(REQWEST_TIMEOUT)
         .build()
         .unwrap()
 });
 
-static REQWEST_CLIENT_IPV4: Lazy<reqwest::Client> = Lazy::new(|| {
+static REQWEST_CLIENT_IPV4: LazyLock<reqwest::Client> = LazyLock::new(|| {
     reqwest::Client::builder()
         .user_agent(APP_USER_AGENT)
         .local_address(Some(std::net::Ipv4Addr::UNSPECIFIED.into()))

src/util.rs

@@ -185,7 +185,7 @@ pub use map;
 
 macro_rules! regex {
     ($re:literal $(,)?) => {{
-        static RE: once_cell::sync::OnceCell<regex::Regex> = once_cell::sync::OnceCell::new();
+        static RE: std::sync::OnceLock<regex::Regex> = std::sync::OnceLock::new();
         RE.get_or_init(|| regex::Regex::new($re).unwrap())
     }};
 }