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Field

Struct Field 

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pub struct Field<'a, Message> { /* private fields */ }
Available on crate feature field only.
Expand description

A labelled control with optional description and error text.

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impl<'a, Message> Field<'a, Message>

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pub fn description(self, description: impl IntoFragment<'a>) -> Self

Adds muted helper text below the control.

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pub fn error(self, error: impl IntoFragment<'a>) -> Self

Shows an error below the control and colours the label to match.

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pub fn error_maybe(self, error: Option<impl IntoFragment<'a>>) -> Self

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pub fn required(self, required: bool) -> Self

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pub fn disabled(self, disabled: bool) -> Self

Mutes the label to match a disabled control.

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pub fn width(self, width: impl Into<Length>) -> Self

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pub fn has_error(&self) -> bool

Trait Implementations§

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impl<Message> Debug for Field<'_, Message>

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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<'a, Message: 'a> From<Field<'a, Message>> for Element<'a, Message>

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fn from(field: Field<'a, Message>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<'a, Message> !RefUnwindSafe for Field<'a, Message>

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impl<'a, Message> !Send for Field<'a, Message>

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impl<'a, Message> !Sync for Field<'a, Message>

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impl<'a, Message> !UnwindSafe for Field<'a, Message>

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impl<'a, Message> Freeze for Field<'a, Message>
where Element<'a, Message, Theme, ()>: Freeze,

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impl<'a, Message> Unpin for Field<'a, Message>
where Element<'a, Message, Theme, ()>: Unpin,

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impl<'a, Message> UnsafeUnpin for Field<'a, Message>
where Element<'a, Message, Theme, ()>: UnsafeUnpin,

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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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 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<State, Message> IntoBoot<State, Message> for State

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fn into_boot(self) -> (State, Task<Message>)

Turns some type into the initial state of some Application.
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impl<T> MaybeClone for T

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impl<T> MaybeDebug for T

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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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.
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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