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Resource

bern_runtime::query

Enum Resource 

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pub enum Resource<T> {
    Idle,
    Loading,
    Ready(T),
    Refreshing(T),
    Failed {
        error: CommandError,
        previous: Option<T>,
    },
}
Expand description

What a query shows. An empty result is Ready with empty data: success, not failure.

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Idle

Nothing requested yet.

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Loading

First load, no data to show.

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Ready(T)

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Refreshing(T)

New parameters are loading; the previous data stays visible.

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Failed

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§error: CommandError
§previous: Option<T>

Data from the last success, still shown next to the error.

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impl<T> Resource<T>

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pub fn data(&self) -> Option<&T>

The data the UI can show, if any.

Trait Implementations§

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impl<T: Clone> Clone for Resource<T>

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fn clone(&self) -> Self

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<T: Debug> Debug for Resource<T>

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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<T: PartialEq> PartialEq for Resource<T>

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl<T: PartialEq> StructuralPartialEq for Resource<T>

Auto Trait Implementations§

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impl<T> Freeze for Resource<T>
where T: Freeze, Option<T>: Freeze,

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impl<T> RefUnwindSafe for Resource<T>
where T: RefUnwindSafe, Option<T>: RefUnwindSafe,

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impl<T> Send for Resource<T>
where T: Send, Option<T>: Send,

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impl<T> Sync for Resource<T>
where T: Sync, Option<T>: Sync,

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impl<T> Unpin for Resource<T>
where T: Unpin, Option<T>: Unpin,

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impl<T> UnsafeUnpin for Resource<T>
where T: UnsafeUnpin, Option<T>: UnsafeUnpin,

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impl<T> UnwindSafe for Resource<T>
where T: UnwindSafe, Option<T>: 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, 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<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, !>

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.