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SelectionWrap

Enum SelectionWrap 

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pub enum SelectionWrap {
    Clamp,
    Wrap,
}
Expand description

How ListState::select_next/select_previous behave when the selection is already at the first/last item.

Defaults to Clamp, matching ratatui’s ListState (select_next/ select_previous saturating_add/clamp at the ends; wraparound is left to the caller, e.g. via (selected + 1) % len). Older tui-rs-style wraparound is available via Wrap for callers that want circular menu navigation instead.

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Clamp

Stop at the first/last item: select_next past the last item stays on the last item, and select_previous before the first item stays on the first.

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Wrap

Wrap around: select_next past the last item lands on the first, and select_previous before the first item lands on the last.

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impl Clone for SelectionWrap

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fn clone(&self) -> SelectionWrap

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 Copy for SelectionWrap

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impl Debug for SelectionWrap

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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 Default for SelectionWrap

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fn default() -> SelectionWrap

Returns the “default value” for a type. Read more
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impl Eq for SelectionWrap

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impl PartialEq for SelectionWrap

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fn eq(&self, other: &SelectionWrap) -> 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 StructuralPartialEq for SelectionWrap

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Blanket Implementations§

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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 = Infallible

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.
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impl<C> WithAlpha for C
where C: Copy,

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fn with_alpha_first<A>(self, alpha: A) -> AlphaFirst<A, Self>

Wraps self with alpha, storing alpha before the color in memory (see AlphaFirst).
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fn with_alpha_last<A>(self, alpha: A) -> AlphaLast<A, Self>

Wraps self with alpha, storing alpha after the color in memory (see AlphaLast).