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Moment

Enum Moment 

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pub enum Moment {
    Revert,
    Clear,
    Dismiss,
    Debounce,
}
Expand description

A duration named by what it is waiting for.

Each member is a thing a reader is waiting through, and the crate header says what is deliberately left out. Adding one means naming a wait a renderer is already having.

Named Moment rather than Intent so it cannot be confused with makeover_layout::Intent, which names what a thing is rather than how long a state lasts.

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Revert

How long a control shows that it did something before returning to its resting label.

“Copied!” on a button that said “Copy link”. Long enough to be read after the eye has moved back to it, short enough that the control is honest about its own label again before the next click.

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Clear

How long a status line holds a message before emptying itself.

The message is a receipt for something the user just did, so it is read or not read immediately. Holding it longer means the next glance at that line reports stale news.

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Dismiss

How long a transient notice lives before it starts to leave.

Excludes the leaving itself, which is Motion::Fade. A notice the user must not miss is not transient and gets no lifetime at all; see notice_lifetime.

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Debounce

How long input waits to settle before the work behind it starts.

A search field that queries on every keystroke, filtered through this. The number is a claim about typing rather than about the query: below roughly 100ms an ordinary typist trips it mid-word, and above roughly 250ms the field feels like it stopped listening.

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impl Moment

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pub const fn ms(self) -> u32

The duration in whole milliseconds.

The primary resolution. Self::duration and Self::css are both spellings of this number, so there is exactly one place it lives.

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pub const fn duration(self) -> Duration

The duration as a Duration, for the renderers that are not a browser.

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pub const fn token(self) -> &'static str

The CSS custom property name, without the leading dashes.

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pub fn css(self) -> String

The CSS value, as a ms time.

Milliseconds rather than seconds at every rung, including the ones that divide evenly: a stylesheet where some durations read 1.5s and others 150ms cannot be scanned for the odd one out.

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pub const fn all() -> &'static [Self]

Every moment, in the order they are emitted.

A slice rather than an array, so adding a member changes a length and not a type.

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impl Clone for Moment

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for Moment

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impl Debug for Moment

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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 Eq for Moment

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impl Hash for Moment

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Moment

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 (const: unstable) · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 (const: unstable) · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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fn clamp_to<R>(self, range: R) -> Self
where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)
Restrict a value to a certain range. Read more
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impl PartialEq for Moment

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl PartialOrd for Moment

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fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StructuralPartialEq for Moment

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Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.