Collection

Struct Collection 

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pub struct Collection<T> { /* private fields */ }

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impl<T> Collection<T>

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pub fn new() -> Self

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pub fn from_vec(items: Vec<T>) -> Self

Create a collection from a vec.

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pub fn push(&mut self, item: T)

Push an item onto the collection

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pub fn all(&self) -> &Vec<T>

Get all items in the collection.

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pub fn into_inner(self) -> Vec<T>

Get the items off the collection.

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pub fn len(&self) -> usize

Get the length of the collection

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pub fn length(&self) -> usize

Get the length of the collection Idiomatic rust is to use len()

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pub fn is_empty(&self) -> bool

Is the collection empty?

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pub fn get(&self, index: usize) -> Option<&T>

Get an item by index

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pub fn filter<F>(&self, f: F) -> Self
where F: FnMut(&T) -> bool, T: Clone,

Filter the collection by the closure. False(y) items will be removec

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pub fn map<U, F>(&self, f: F) -> Collection<U>
where F: FnMut(&T) -> U,

Map over the collection.

Trait Implementations§

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impl<T: Clone> Clone for Collection<T>

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fn clone(&self) -> Collection<T>

Returns a duplicate 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<T: Debug> Debug for Collection<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: Default> Default for Collection<T>

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fn default() -> Collection<T>

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

Auto Trait Implementations§

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impl<T> Freeze for Collection<T>

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impl<T> RefUnwindSafe for Collection<T>
where T: RefUnwindSafe,

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impl<T> Send for Collection<T>
where T: Send,

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impl<T> Sync for Collection<T>
where T: Sync,

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impl<T> Unpin for Collection<T>
where T: Unpin,

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impl<T> UnwindSafe for Collection<T>
where T: UnwindSafe,

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.