Enum rand::seq::index::IndexVec

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pub enum IndexVec {
    // some variants omitted
}
Expand description

A vector of indices.

Multiple internal representations are possible.

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impl IndexVec

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pub fn len(&self) -> usize

Returns the number of indices

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pub fn is_empty(&self) -> bool

Returns true if the length is 0.

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pub fn index(&self, index: usize) -> usize

Return the value at the given index.

(Note: we cannot implement std::ops::Index because of lifetime restrictions.)

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pub fn into_vec(self) -> Vec<usize>

Return result as a Vec<usize>. Conversion may or may not be trivial.

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pub fn iter(&self) -> IndexVecIter<'_>

Iterate over the indices as a sequence of usize values

Trait Implementations§

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impl Clone for IndexVec

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fn clone(&self) -> IndexVec

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for IndexVec

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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 From<Vec<u32>> for IndexVec

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fn from(v: Vec<u32>) -> Self

Converts to this type from the input type.
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impl From<Vec<usize>> for IndexVec

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fn from(v: Vec<usize>) -> Self

Converts to this type from the input type.
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impl IntoIterator for IndexVec

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fn into_iter(self) -> IndexVecIntoIter

Convert into an iterator over the indices as a sequence of usize values

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type Item = usize

The type of the elements being iterated over.
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type IntoIter = IndexVecIntoIter

Which kind of iterator are we turning this into?
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impl PartialEq for IndexVec

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

Auto Trait Implementations§

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> 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V