devela::phys

Enum Weekday

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#[repr(u8)]
pub enum Weekday {
    Monday = 0,
    Tuesday = 1,
    Wednesday = 2,
    Thursday = 3,
    Friday = 4,
    Saturday = 5,
    Sunday = 6,
}
Expand description

The days of the week.

Variants§

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Monday = 0

The first day of the week, according to the ISO-8601 standard.

§Etymology

The name Monday comes from the Old English word “Monandæg”, which means “Moon’s day”.

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Tuesday = 1

§Etymology

The name Tuesday comes from the Old English word “Tiwesdæg”, which means “Tiw’s day”. Tiw was an Anglo-Saxon god associated with war and combat.

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Wednesday = 2

§Etymology

The name Wednesday comes from the Old English word “Wodnesdæg”, which means “Woden’s day”. Woden was the chief god in Norse mythology, associated with wisdom, war, and death.

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Thursday = 3

§Etymology

The name Thursday comes from the Old English word “Þunresdæg”, which means “Thor’s day”. Thor was the Norse god of thunder and lightning.

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Friday = 4

§Etymology

The name Friday comes from the Old English word “Frīgedæg”, which means “Frige’s day”. Frige was an Anglo-Saxon goddess associated with love, fertility, and domestic life.

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Saturday = 5

§Etymology

The name Saturday comes from the Latin word “Saturni dies”, which means “Saturn’s day”. Saturn was the Roman god of agriculture and wealth.

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Sunday = 6

§Etymology

The name Sunday comes from the Old English word “Sunandæg”, which means “Sun’s day”.

Implementations§

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impl Weekday

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pub const COUNT: usize = 7usize

The number of weekdays in a week.

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pub const fn previous(self) -> Weekday

Returns the previous weekday.

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pub const fn previous_nth(self, nth: usize) -> Weekday

Returns the previous nth weekday.

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pub const fn next(self) -> Weekday

Returns the next weekday,

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pub const fn next_nth(self, nth: usize) -> Weekday

Returns the next nth weekday.

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impl Weekday

§from Monday

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pub const fn number_from_monday(self) -> u8 ⓘ

Returns the weekday number from Monday=1 to Sunday=7.

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pub const fn index_from_monday(self) -> usize ⓘ

Returns the weekday index from Monday=0 to Sunday=6.

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pub const fn from_monday_number(n: u8) -> Result<Weekday, &'static str> ⓘ

Returns a weekday from its counting number, from Monday=1 to Sunday=7.

§Errors

if n < 1 || n > 7

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pub const fn from_monday_index(index: usize) -> Result<Weekday, &'static str> ⓘ

Returns a weekday from its index, from Monday=0 to Sunday=6.

§Errors

if index > 6

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pub const fn from_monday_index_unchecked(index: usize) -> Self

Returns a weekday from its index, from Monday=0 to Sunday=6.

§Panics

if index > 6

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impl Weekday

§from Sunday

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pub const fn number_from_sunday(self) -> u8 ⓘ

Returns the weekday number from Sunday=1 to Monday=7.

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pub const fn index_from_sunday(self) -> usize ⓘ

Returns the weekday index from Sunday=0 to Monday=6.

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pub const fn from_sunday_number(n: u8) -> Result<Weekday, &'static str> ⓘ

Returns a weekday from its counting number, from Sunday=1 to Monday=7.

§Errors

if n < 1 || n > 7

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pub const fn from_sunday_index(index: usize) -> Result<Weekday, &'static str> ⓘ

Returns a weekday from its index, from Sunday=0 to Monday=6.

§Errors

if index > 6

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pub const fn from_sunday_index_unchecked(index: usize) -> Self

Returns a weekday from its index, from Sunday=0 to Monday=6.

§Panics

if index > 6

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impl Weekday

§abbreviations & representations

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pub const Mon: Weekday = Weekday::Monday

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pub const Tue: Weekday = Weekday::Tuesday

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pub const Wed: Weekday = Weekday::Wednesday

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pub const Thu: Weekday = Weekday::Thursday

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pub const Fri: Weekday = Weekday::Friday

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pub const Sat: Weekday = Weekday::Saturday

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pub const Sun: Weekday = Weekday::Sunday

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pub const MO: Weekday = Weekday::Monday

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pub const TU: Weekday = Weekday::Tuesday

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pub const WE: Weekday = Weekday::Wednesday

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pub const TH: Weekday = Weekday::Thursday

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pub const FR: Weekday = Weekday::Friday

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pub const SA: Weekday = Weekday::Saturday

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pub const SU: Weekday = Weekday::Sunday

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pub const M: Weekday = Weekday::Monday

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pub const T: Weekday = Weekday::Tuesday

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pub const W: Weekday = Weekday::Wednesday

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pub const H: Weekday = Weekday::Thursday

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pub const F: Weekday = Weekday::Friday

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pub const A: Weekday = Weekday::Saturday

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pub const U: Weekday = Weekday::Sunday

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pub fn abbr3(self) -> &'static str ⓘ

Returns the 3-letter abbreviated weekday name, in ASCII, UpperCamelCase.

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pub fn abbr2(self) -> &'static str ⓘ

Returns the 2-letter abbreviated weekday name, in ASCII, UPPERCASE.

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pub fn abbr1(self) -> &'static str ⓘ

Returns the 1-letter abbreviated weekday name, in ASCII, UPPERCASE.

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pub const fn emoji(self) -> char

Returns the emoji associated to the weekday.

These are: 🌕, 🏹, 🧙, ⚡, 💕, 💰, 🌞.

Full Moon, Bow and Arrow, Mage, Lightning Bolt, Two Hearts, Money Bag, and Sun.

§Examples
assert_eq![Weekday::Thursday.emoji(), '⚡'];
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pub const fn planet(self) -> char

Returns the char of the associated planet of Helenistic astrology.

These are: ☽, ♂, ☿, ♃, ♀, ♄, ☀.

§Examples
assert_eq![Weekday::Thursday.planet(), '♃'];
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pub const fn planet_name(self) -> &'static str ⓘ

Returns the name of the associated planet of Helenistic astrology.

These are: Moon, Mars, Mercury, Jupiter, Venus, Saturn and Sun.

§Examples
assert_eq![Weekday::Thursday.planet_name(), "Jupiter"];

Trait Implementations§

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impl Clone for Weekday

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fn clone(&self) -> Weekday

Returns a copy of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Weekday

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for Weekday

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fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult<()>

Formats the value using the given formatter. Read more
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impl FromStr for Weekday

Returns a Weekday from a string containing either the full weekday name, or any of the weekday ASCII abbreviations.

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type Err = &'static str

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Weekday, Self::Err> ⓘ

Parses a string s to return a value of this type. Read more
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impl PartialEq for Weekday

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fn eq(&self, other: &Weekday) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for Weekday

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impl Eq for Weekday

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impl StructuralPartialEq for Weekday

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