remove once_cell in place of standard libraries LazyLock

Cargo.toml

@@ -8,16 +8,17 @@ authors = [
 edition = "2021"
 description = "Additional widgets for the Iced GUI library"
 license = "MIT"
+homepage = "https://iced.rs"
 repository = "https://github.com/iced-rs/iced_aw"
-# TODO documentation
 readme = "README.md"
 keywords = ["gui", "graphics", "interface", "widgets", "iced"]
 categories = ["gui"]
+rust-version = "1.80"
 
 [features]
 badge = []
 card = []
-date_picker = ["chrono", "once_cell", "icons"]
+date_picker = ["chrono", "icons"]
 color_picker = ["icons", "iced/canvas"]
 cupertino = ["time", "iced/canvas", "icons"]
 grid = ["itertools"]
@@ -65,13 +66,12 @@ chrono = { version = "0.4.38", optional = true }
 itertools = { version = "0.13.0", optional = true }
 num-format = { version = "0.4.4", optional = true }
 num-traits = { version = "0.2.19", optional = true }
-once_cell = { version = "1.19.0", optional = true }
 time = { version = "0.3.36", features = ["local-offset"], optional = true }
 
 [dependencies.iced]
 #git = "https://github.com/iced-rs/iced.git"
 #rev = "b474a2b7a763dcde6a377cb409001a7b5285ee8d"
-version = "0.13.0"
+version = "0.13.1"
 default-features = false
 features = ["advanced"]
 

src/core/date.rs

@@ -1,8 +1,8 @@
 //! Helper functions for calculating dates
 
 use chrono::{Datelike, Duration, Local, NaiveDate};
-use once_cell::sync::Lazy;
 use std::fmt::Display;
+use std::sync::LazyLock;
 
 /// The date value
 #[derive(Clone, Copy, Debug)]
@@ -221,7 +221,7 @@ pub fn date_as_string(date: NaiveDate) -> String {
 }
 
 /// Gets the length of the longest month name.
-pub static MAX_MONTH_STR_LEN: Lazy<usize> = Lazy::new(|| {
+pub static MAX_MONTH_STR_LEN: LazyLock<usize> = LazyLock::new(|| {
  let months = [
  NaiveDate::from_ymd_opt(0, 1, 1).expect("Year, Month or Day doesnt Exist"),
  NaiveDate::from_ymd_opt(0, 2, 1).expect("Year, Month or Day doesnt Exist"),
@@ -252,7 +252,7 @@ pub static MAX_MONTH_STR_LEN: Lazy<usize> = Lazy::new(|| {
 
 /// Gets the labels of the weekdays containing the first two characters of
 /// the weekdays.
-pub static WEEKDAY_LABELS: Lazy<Vec<String>> = Lazy::new(|| {
+pub static WEEKDAY_LABELS: LazyLock<Vec<String>> = LazyLock::new(|| {
  let days = [
  // Monday
  NaiveDate::from_ymd_opt(2020, 6, 1).expect("Year, Month or Day doesnt Exist"),