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UseEnv

waterui_core::env

Struct UseEnv 

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pub struct UseEnv<F> { /* private fields */ }
Expand description

A view that provides access to the environment.

UseEnv allows child views to access values stored in the environment through a handler function.

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impl<F> UseEnv<F>

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pub const fn new(handler: F) -> Self

Creates a new UseEnv with the provided handler.

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impl<F: Clone> Clone for UseEnv<F>

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fn clone(&self) -> UseEnv<F>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<F: Debug> Debug for UseEnv<F>

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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<V, F> View for UseEnv<F>
where V: View, F: FnOnce(&Environment) -> V + 'static,

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fn body(self, env: &Environment) -> impl View

Build this view and return the content. Read more

Auto Trait Implementations§

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impl<F> Freeze for UseEnv<F>
where F: Freeze,

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impl<F> RefUnwindSafe for UseEnv<F>
where F: RefUnwindSafe,

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impl<F> Send for UseEnv<F>
where F: Send,

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impl<F> Sync for UseEnv<F>
where F: Sync,

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impl<F> Unpin for UseEnv<F>
where F: Unpin,

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impl<F> UnsafeUnpin for UseEnv<F>
where F: UnsafeUnpin,

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impl<F> UnwindSafe for UseEnv<F>
where F: UnwindSafe,

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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<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> IdentifiableExt for T

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fn use_id<F, Id>(self, f: F) -> UseId<Self, F>
where F: Fn(&Self) -> Id, Id: Ord + Hash,

Wraps the value in a UseId with the provided identification function.
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fn self_id(self) -> SelfId<Self>

Wraps the value in a SelfId, making the value serve as its own identifier.
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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<V> IntoView for V
where V: View,

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type Output = V

The resulting View type after conversion.
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fn into_view(self, _env: &Environment) -> <V as IntoView>::Output

Converts the implementing type into a View. Read more
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impl<T> ToOwned for T
where 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 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, <T as TryFrom<U>>::Error>

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.