Struct stam::QueryResultItems

source ·
pub struct QueryResultItems<'store> { /* private fields */ }
Expand description

Represents an entire result row, each result stems from a query

Implementations§

source§

impl<'store> QueryResultItems<'store>

source

pub fn iter(&self) -> impl Iterator<Item = &QueryResultItem<'store>>

Iterator over all results

source

pub fn len(&self) -> usize

source

pub fn get(&self, index: usize) -> Option<&QueryResultItem<'store>>

Returns a result by index number

source

pub fn pop_last(&mut self) -> Option<QueryResultItem<'store>>

source

pub fn get_by_name_or_first( &self, names: &QueryNames, var: Option<&str> ) -> Result<&QueryResultItem<'store>, StamError>

Returns a result by variable name (if specified), or get the first result. Raises an error if there are no results.

source

pub fn get_by_name_or_last( &self, names: &QueryNames, var: Option<&str> ) -> Result<&QueryResultItem<'store>, StamError>

Returns a result by variable name (if specified), or get the last result. Raises an error if there are no results.

source

pub fn get_by_name( &self, names: &QueryNames, var: &str ) -> Result<&QueryResultItem<'store>, StamError>

Returns a result by variable name

Trait Implementations§

source§

impl<'store> IntoIterator for QueryResultItems<'store>

§

type IntoIter = <SmallVec<[QueryResultItem<'store>; 4]> as IntoIterator>::IntoIter

Which kind of iterator are we turning this into?
§

type Item = QueryResultItem<'store>

The type of the elements being iterated over.
source§

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more

Auto Trait Implementations§

§

impl<'store> Freeze for QueryResultItems<'store>

§

impl<'store> RefUnwindSafe for QueryResultItems<'store>

§

impl<'store> Send for QueryResultItems<'store>

§

impl<'store> Sync for QueryResultItems<'store>

§

impl<'store> Unpin for QueryResultItems<'store>

§

impl<'store> UnwindSafe for QueryResultItems<'store>

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> IntoEither for T

source§

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
source§

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
source§

impl<T> Pointable for T

source§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
source§

impl<T> Same for T

§

type Output = T

Should always be Self
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

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

source§

fn vzip(self) -> V