Struct optics::concrete::Compose

pub struct Compose<K, L>(pub K, pub L);

Composed optics of K and L; K is applied first.

Tuple Fields

0: K

1: L

Trait Implementations

impl<K, L, T> AffineFold<T> for Compose<K, L>

where K: AffineFold<T>, K::View: Sized, L: AffineFold<K::View>, L::View: Sized,

fn preview(&self, s: T) -> Result<L::View, Self::Error>

Retrieve the value targeted by an AffineFold.

impl<'a, T: ?Sized, K, L> AffineFoldMut<'a, T> for Compose<K, L>

where K: AffineFoldMut<'a, T>, K::View: 'a, L: AffineFoldMut<'a, K::View>, L::View: 'a,

fn preview_mut(&self, s: &'a mut T) -> Result<&'a mut L::View, Self::Error>

Retrieve a mutable reference the value targeted by an AffineFold.

impl<'a, T: ?Sized, K, L> AffineFoldRef<'a, T> for Compose<K, L>

where K: AffineFoldRef<'a, T>, K::View: 'a, L: AffineFoldRef<'a, K::View>, L::View: 'a,

fn preview_ref(&self, s: &'a T) -> Result<&'a L::View, Self::Error>

Retrieve a shared reference the value targeted by an AffineFold.

impl<K, L, T> AffineTraversal<T> for Compose<K, L>

where K: AffineTraversal<T>, K::View: Sized, L: AffineTraversal<K::View>, L::View: Sized,

fn map(&self, s: &mut T, f: impl FnOnce(&mut L::View))

Restricted version for Setter::over. Custom implementation recommended.

fn set(&self, s: &mut T, a: Self::View)

Apply a setter. No Clone is needed, because this optics is affine.

impl<K: Clone, L: Clone> Clone for Compose<K, L>

fn clone(&self) -> Compose<K, L>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<K: Debug, L: Debug> Debug for Compose<K, L>

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

Formats the value using the given formatter.

impl<K: Display, L: Display> Display for Compose<K, L>

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

Formats the value using the given formatter.

impl<K, L, T> Getter<T> for Compose<K, L>

where K: Getter<T>, K::View: Sized, L: Getter<K::View>, L::View: Sized,

fn view(&self, s: T) -> L::View

View the value pointed to by a getter.

impl<'a, T: ?Sized, K, L> GetterMut<'a, T> for Compose<K, L>

where K: GetterMut<'a, T>, K::View: 'a, L: GetterMut<'a, K::View>, L::View: 'a,

fn view_mut(&self, s: &'a mut T) -> &'a mut L::View

Get a mutable reference to the value pointed to by a getter.

impl<'a, T: ?Sized, K, L> GetterRef<'a, T> for Compose<K, L>

where K: GetterRef<'a, T>, K::View: 'a, L: GetterRef<'a, K::View>, L::View: 'a,

fn view_ref(&self, s: &'a T) -> &'a L::View

Get a shared reference to the value pointed to by a getter.

impl<K: Hash, L: Hash> Hash for Compose<K, L>

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<K: Optics<T>, L: Optics<K::View>, T: ?Sized> Optics<T> for Compose<K, L>

type View = <L as Optics<<K as Optics<T>>::View>>::View

View type for this optics.

impl<K: OpticsFallible, L: OpticsFallible> OpticsFallible for Compose<K, L>

type Success = SuccessCompose<<K as OpticsFallible>::Success, <L as OpticsFallible>::Success>

Success type for this optics.

type Error = ErrorCompose<<K as OpticsFallible>::Error, <K as OpticsFallible>::Success, <L as OpticsFallible>::Error>

Error type for this optics.

fn success_witness(&self) -> Self::Success

Get a lightweight witness for success.

fn map_fallible<S, F, E, G>(self, f: F, g: G) -> MapFallible<Self, F, G>

where Self: Sized, F: Fn(Self::Success) -> S, G: Fn(Self::Error) -> E,

Map the Success and Error type for this fallible optics.

fn map_success<S, F>(self, f: F) -> MapSuccess<Self, F>

where Self: Sized, F: Fn(Self::Success) -> S,

Map the Success type for this fallible optics.

fn map_error<E, G>(self, g: G) -> MapError<Self, G>

where Self: Sized, G: Fn(Self::Error) -> E,

Map the Error type for this fallible optics.

impl<K: Ord, L: Ord> Ord for Compose<K, L>

fn cmp(&self, other: &Compose<K, L>) -> Ordering

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl<K: PartialEq, L: PartialEq> PartialEq for Compose<K, L>

fn eq(&self, other: &Compose<K, L>) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<K: PartialOrd, L: PartialOrd> PartialOrd for Compose<K, L>

fn partial_cmp(&self, other: &Compose<K, L>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<K, L, T> Review<T> for Compose<K, L>

where K: Review<T>, K::View: Sized, L: Review<K::View>, L::View: Sized,

fn review(&self, a: L::View) -> T

Retrieve the value targeted by a review.

impl<K, L, T> Setter<T> for Compose<K, L>

where K: Setter<T>, K::View: Sized, L: Setter<K::View>, L::View: Sized,

fn over(&self, s: &mut T, f: &mut dyn FnMut(&mut L::View))

Apply a setter as a modifier.

impl<K, L, T> Traversal<T> for Compose<K, L>

where K: Traversal<T>, K::View: Sized, L: Traversal<K::View>, L::View: Sized,

fn traverse(&self, s: T, f: &mut dyn FnMut(Self::View))

Evaluate the action from left to right on each element targeted by a Traversal.

fn fold<C>(&self, s: T, init: C, f: impl FnMut(&mut C, Self::View)) -> C

Fold every element targeted by this Traversal into a single result.

fn flatten(&self, s: T) -> Vec<Self::View>

Flatten the elements targeted by this Traversal into a Vec.

impl<K: Copy, L: Copy> Copy for Compose<K, L>

impl<K: Eq, L: Eq> Eq for Compose<K, L>

impl<K, L, T> Iso<T> for Compose<K, L>

where K: Iso<T>, K::View: Sized, L: Iso<K::View>, L::View: Sized,

impl<K, L, T> Lens<T> for Compose<K, L>

where K: Lens<T>, K::View: Sized, L: Lens<K::View>, L::View: Sized,

impl<K, L, T> Prism<T> for Compose<K, L>

where K: Prism<T>, K::View: Sized, L: Prism<K::View>, L::View: Sized,

impl<K, L> StructuralPartialEq for Compose<K, L>