Struct titanium::desktop::gui::libdruid::lens::Index

pub struct Index<I> { /* private fields */ }
Expand description

Lens for indexing containers

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impl<I> Index<I>

pub fn new(index: I) -> Index<I>

Construct a lens that accesses a particular index

See also LensExt::index.

Trait Implementations§

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impl<I> Clone for Index<I>where I: Clone,

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fn clone(&self) -> Index<I>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<I> Debug for Index<I>where I: Debug,

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

Formats the value using the given formatter. Read more
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impl<T, I> Lens<T, <T as Index<I>>::Output> for Index<I>where T: Index<I> + IndexMut<I> + ?Sized, I: Clone,

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fn with<V, F>(&self, data: &T, f: F) -> Vwhere F: FnOnce(&<T as Index<I>>::Output) -> V,

Get non-mut access to the field. Read more
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fn with_mut<V, F>(&self, data: &mut T, f: F) -> Vwhere F: FnOnce(&mut <T as Index<I>>::Output) -> V,

Get mutable access to the field. Read more
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impl<I> Copy for Index<I>where I: Copy,

Auto Trait Implementations§

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impl<I> RefUnwindSafe for Index<I>where I: RefUnwindSafe,

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impl<I> Send for Index<I>where I: Send,

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impl<I> Sync for Index<I>where I: Sync,

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impl<I> Unpin for Index<I>where I: Unpin,

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impl<I> UnwindSafe for Index<I>where I: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

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

const: unstable · source§

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

Mutably borrows from an owned value. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

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<A, B, T> LensExt<A, B> for Twhere T: Lens<A, B>, A: ?Sized, B: ?Sized,

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fn get(&self, data: &A) -> Bwhere B: Clone,

Copy the targeted value out of data
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fn put(&self, data: &mut A, value: B)

Set the targeted value in data to value
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fn then<Other, C>(self, other: Other) -> Then<Self, Other, B>where Other: Lens<B, C>, Self: Sized, C: ?Sized,

Compose a Lens<A, B> with a Lens<B, C> to produce a Lens<A, C> Read more
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fn map<Get, Put, C>(self, get: Get, put: Put) -> Then<Self, Map<Get, Put>, B>where Get: Fn(&B) -> C, Put: Fn(&mut B, C), Self: Sized,

Combine a Lens<A, B> with a function that can transform a B and its inverse. Read more
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fn deref(self) -> Then<Self, Deref, B>where B: Deref + DerefMut, Self: Sized,

Invoke a type’s Deref impl Read more
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fn as_ref<T>(self) -> Then<Self, Ref, B>where B: AsRef<T> + AsMut<T>, Self: Sized, T: ?Sized,

Invoke a type’s AsRef and AsMut impl. Read more
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fn index<I>(self, index: I) -> Then<Self, Index<I>, B>where I: Clone, B: Index<I> + IndexMut<I>, Self: Sized,

Access an index in a container Read more
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fn in_arc(self) -> InArc<Self>where A: Clone, B: Data, Self: Sized,

Adapt to operate on the contents of an Arc with efficient copy-on-write semantics Read more
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fn not(self) -> Then<Self, Not, B>where Self: Sized, B: Into<bool> + Copy, bool: Into<B>,

A lens that reverses a boolean value Read more
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impl<T> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> RoundFrom<T> for T

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fn round_from(x: T) -> T

Performs the conversion.
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impl<T, U> RoundInto<U> for Twhere U: RoundFrom<T>,

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fn round_into(self) -> U

Performs the conversion.
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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 Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

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

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘwhere S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more