Struct Lens

pub struct Lens<'f, Outer: Clone, Inner: Clone>(/* private fields */);

Implementations

impl<'f, Outer: Clone, Inner: Clone> Lens<'f, Outer, Inner>

pub fn new<G, S>(getter: G, setter: S) -> Self

where G: FnOnce(Outer) -> Inner + Clone + 'f, S: FnOnce(Outer, Inner) -> Outer + Clone + 'f,

pub fn zoom_out<V: Clone>(self) -> Handler<'f, Inner, Outer, V, V>

pub fn zoom_in<V: Clone, U, F>( self, inner: F, ) -> Handler<'f, Outer, Outer, V, U>

where Inner: 'f, U: Clone + 'f, F: FnOnce(V) -> Fx<'f, Inner, U> + Clone + 'f,

pub fn prepend<LeftOuter>( self, left: Lens<'f, LeftOuter, Outer>, ) -> Lens<'f, LeftOuter, Inner>

where Inner: 'f, LeftOuter: 'f + Clone, Outer: 'f,

pub fn append<RightInner>( self, right: Lens<'f, Inner, RightInner>, ) -> Lens<'f, Outer, RightInner>

where Inner: 'f, RightInner: 'f + Clone, Outer: 'f,

impl<'f, A: Clone, B: Clone> Lens<'f, (A, B), A>

pub fn left() -> Self

impl<'f, A: Clone, B: Clone> Lens<'f, (A, B), B>

pub fn right() -> Self

Trait Implementations

impl<'f, Outer: Clone + Clone, Inner: Clone + Clone> Clone for Lens<'f, Outer, Inner>

fn clone(&self) -> Lens<'f, Outer, Inner>

Returns a duplicate of the value.

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

Performs copy-assignment from source.