List

Struct List 

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pub struct List(/* private fields */);
Expand description

Represents a PartiQL List value, e.g. [1, 2, ‘one’]

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impl List

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pub fn push(&mut self, value: Value)

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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pub fn get(&self, idx: i64) -> Option<&Value>

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pub fn get_mut(&mut self, idx: i64) -> Option<&mut Value>

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pub fn take_val(self, idx: i64) -> Option<Value>

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

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pub fn reserve(&mut self, additional: usize)

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pub fn to_vec(self) -> Vec<Value>

Trait Implementations§

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impl Clone for List

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fn clone(&self) -> List

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 Debug for List

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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 List

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fn default() -> List

Returns the “default value” for a type. Read more
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impl Extend<Value> for List

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fn extend<Iter: IntoIterator<Item = Value>>(&mut self, iter: Iter)

Extends a collection with the contents of an iterator. Read more
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fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
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fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)
Reserves capacity in a collection for the given number of additional elements. Read more
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impl From<Bag> for List

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fn from(bag: Bag) -> Self

Converts to this type from the input type.
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impl From<List> for Bag

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fn from(list: List) -> Self

Converts to this type from the input type.
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impl From<List> for Value

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fn from(v: List) -> Self

Converts to this type from the input type.
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impl From<Vec<Value>> for List

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fn from(values: Vec<Value>) -> Self

Converts to this type from the input type.
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impl<T> FromIterator<T> for List
where T: Into<Value>,

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fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> List

Creates a value from an iterator. Read more
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impl Hash for List

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a> IntoIterator for &'a List

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type Item = &'a Value

The type of the elements being iterated over.
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type IntoIter = ListIter<'a>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more
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impl IntoIterator for List

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type Item = Value

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

Which kind of iterator are we turning this into?
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fn into_iter(self) -> ListIntoIterator

Creates an iterator from a value. Read more
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impl Ord for List

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for List

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

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for List

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fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl PrettyDoc for List

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fn pretty_doc<'b, D, A>(&'b self, arena: &'b D) -> DocBuilder<'b, D, A>
where D: DocAllocator<'b, A>, D::Doc: Clone, A: Clone,

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impl Eq for List

Auto Trait Implementations§

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impl Freeze for List

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impl !RefUnwindSafe for List

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impl !Send for List

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impl !Sync for List

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impl Unpin for List

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impl !UnwindSafe for List

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<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> DynHash for T
where T: Hash + ?Sized,

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fn dyn_hash(&self, state: &mut dyn Hasher)

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, Loc> ToLocated<Loc> for T
where Loc: Display,

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fn to_located<IntoLoc>(self, location: IntoLoc) -> Located<Self, Loc>
where IntoLoc: Into<Location<Loc>>,

Create a Located from its inner value.
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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> ToPretty for T
where T: PrettyDoc,

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fn to_pretty<W>(&self, width: usize, out: &mut W) -> Result<(), ToPrettyError>
where W: Write + ?Sized,

Pretty-prints to a std::io::Write object.
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fn to_pretty_string(&self, width: usize) -> Result<String, ToPrettyError>

Pretty-prints to a String.
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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.