Struct placeholder

pub struct placeholder<L1, L2, T>(/* private fields */);

Lens for the field placeholder on ComboBox.

Implementations

impl<L1, L2, T> placeholder<L1, L2, T>

pub const fn new() -> placeholder<L1, L2, T>

Creates a new lens for the field placeholder on ComboBox. Use ComboBox::placeholder instead.

Trait Implementations

impl<L1, L2, T> Clone for placeholder<L1, L2, T>

fn clone(&self) -> placeholder<L1, L2, T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<L1, L2, T> Debug for placeholder<L1, L2, T>

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

Formats the value using the given formatter.

impl<L1, L2, T> Hash for placeholder<L1, L2, T>

where L1: 'static, L2: 'static, T: 'static,

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

where H: Hasher,

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<L1, L2, T> Lens for placeholder<L1, L2, T>

where L1: Lens<Target = Vec<T>>, L2: Lens<Target = usize>, T: 'static + Data + ToString,

type Source = ComboBox<L1, L2, T>

type Target = String

fn view<'a>( &self, source: &'a ComboBox<L1, L2, T>, ) -> Option<LensValue<'a, <placeholder<L1, L2, T> as Lens>::Target>>

impl<L1, L2, T> PartialEq for placeholder<L1, L2, T>

where L1: PartialEq, L2: PartialEq, T: PartialEq,

fn eq(&self, other: &placeholder<L1, L2, T>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

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

impl<L1, L2, T> Copy for placeholder<L1, L2, T>

impl<L1, L2, T> Eq for placeholder<L1, L2, T>

where L1: Eq, L2: Eq, T: Eq,

impl<L1, L2, T> StructuralPartialEq for placeholder<L1, L2, T>