From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:22:09 +0200
Subject: Adding upstream version 110.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/rust/time/src/weekday.rs | 148 +++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 third_party/rust/time/src/weekday.rs

(limited to 'third_party/rust/time/src/weekday.rs')

diff --git a/third_party/rust/time/src/weekday.rs b/third_party/rust/time/src/weekday.rs
new file mode 100644
index 0000000000..f499c30eef
--- /dev/null
+++ b/third_party/rust/time/src/weekday.rs
@@ -0,0 +1,148 @@
+//! Days of the week.
+
+use core::fmt::{self, Display};
+use core::str::FromStr;
+
+use Weekday::*;
+
+use crate::error;
+
+/// Days of the week.
+///
+/// As order is dependent on context (Sunday could be either two days after or five days before
+/// Friday), this type does not implement `PartialOrd` or `Ord`.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum Weekday {
+    #[allow(clippy::missing_docs_in_private_items)]
+    Monday,
+    #[allow(clippy::missing_docs_in_private_items)]
+    Tuesday,
+    #[allow(clippy::missing_docs_in_private_items)]
+    Wednesday,
+    #[allow(clippy::missing_docs_in_private_items)]
+    Thursday,
+    #[allow(clippy::missing_docs_in_private_items)]
+    Friday,
+    #[allow(clippy::missing_docs_in_private_items)]
+    Saturday,
+    #[allow(clippy::missing_docs_in_private_items)]
+    Sunday,
+}
+
+impl Weekday {
+    /// Get the previous weekday.
+    ///
+    /// ```rust
+    /// # use time::Weekday;
+    /// assert_eq!(Weekday::Tuesday.previous(), Weekday::Monday);
+    /// ```
+    pub const fn previous(self) -> Self {
+        match self {
+            Monday => Sunday,
+            Tuesday => Monday,
+            Wednesday => Tuesday,
+            Thursday => Wednesday,
+            Friday => Thursday,
+            Saturday => Friday,
+            Sunday => Saturday,
+        }
+    }
+
+    /// Get the next weekday.
+    ///
+    /// ```rust
+    /// # use time::Weekday;
+    /// assert_eq!(Weekday::Monday.next(), Weekday::Tuesday);
+    /// ```
+    pub const fn next(self) -> Self {
+        match self {
+            Monday => Tuesday,
+            Tuesday => Wednesday,
+            Wednesday => Thursday,
+            Thursday => Friday,
+            Friday => Saturday,
+            Saturday => Sunday,
+            Sunday => Monday,
+        }
+    }
+
+    /// Get the one-indexed number of days from Monday.
+    ///
+    /// ```rust
+    /// # use time::Weekday;
+    /// assert_eq!(Weekday::Monday.number_from_monday(), 1);
+    /// ```
+    #[doc(alias = "iso_weekday_number")]
+    pub const fn number_from_monday(self) -> u8 {
+        self.number_days_from_monday() + 1
+    }
+
+    /// Get the one-indexed number of days from Sunday.
+    ///
+    /// ```rust
+    /// # use time::Weekday;
+    /// assert_eq!(Weekday::Monday.number_from_sunday(), 2);
+    /// ```
+    pub const fn number_from_sunday(self) -> u8 {
+        self.number_days_from_sunday() + 1
+    }
+
+    /// Get the zero-indexed number of days from Monday.
+    ///
+    /// ```rust
+    /// # use time::Weekday;
+    /// assert_eq!(Weekday::Monday.number_days_from_monday(), 0);
+    /// ```
+    pub const fn number_days_from_monday(self) -> u8 {
+        self as _
+    }
+
+    /// Get the zero-indexed number of days from Sunday.
+    ///
+    /// ```rust
+    /// # use time::Weekday;
+    /// assert_eq!(Weekday::Monday.number_days_from_sunday(), 1);
+    /// ```
+    pub const fn number_days_from_sunday(self) -> u8 {
+        match self {
+            Monday => 1,
+            Tuesday => 2,
+            Wednesday => 3,
+            Thursday => 4,
+            Friday => 5,
+            Saturday => 6,
+            Sunday => 0,
+        }
+    }
+}
+
+impl Display for Weekday {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str(match self {
+            Monday => "Monday",
+            Tuesday => "Tuesday",
+            Wednesday => "Wednesday",
+            Thursday => "Thursday",
+            Friday => "Friday",
+            Saturday => "Saturday",
+            Sunday => "Sunday",
+        })
+    }
+}
+
+impl FromStr for Weekday {
+    type Err = error::InvalidVariant;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "Monday" => Ok(Monday),
+            "Tuesday" => Ok(Tuesday),
+            "Wednesday" => Ok(Wednesday),
+            "Thursday" => Ok(Thursday),
+            "Friday" => Ok(Friday),
+            "Saturday" => Ok(Saturday),
+            "Sunday" => Ok(Sunday),
+            _ => Err(error::InvalidVariant),
+        }
+    }
+}
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