Struct List 

pub struct List<M>(/* private fields */);

A sized marker type representing “list of M”.

Used as a type parameter to [Statement], Load, and other types to encode that the result is a collection of M values. Unlike [M] (which is unsized), List<M> is always Sized, so it composes cleanly in tuples: (List<User>, List<Todo>) is valid.

Trait Implementations

impl<T, E: IntoExpr<T>> Assign<List<T>> for &[E]

fn into_assignment(self) -> Assignment<List<T>>

Convert into an Assignment<T> value.

fn assign(self, assignments: &mut Assignments, projection: Projection)

where Self: Sized,

Record one or more assignments into the given [Assignments] map at the specified projection.

impl<T, U: IntoExpr<T>, const N: usize> Assign<List<T>> for &[U; N]

fn into_assignment(self) -> Assignment<List<T>>

Convert into an Assignment<T> value.

fn assign(self, assignments: &mut Assignments, projection: Projection)

where Self: Sized,

Record one or more assignments into the given [Assignments] map at the specified projection.

impl<T, U: IntoExpr<T>, const N: usize> Assign<List<T>> for [U; N]

fn into_assignment(self) -> Assignment<List<T>>

Convert into an Assignment<T> value.

fn assign(self, assignments: &mut Assignments, projection: Projection)

where Self: Sized,

Record one or more assignments into the given [Assignments] map at the specified projection.

impl<T, U: IntoExpr<T>> Assign<List<T>> for Vec<U>

fn into_assignment(self) -> Assignment<List<T>>

Convert into an Assignment<T> value.

fn assign(self, assignments: &mut Assignments, projection: Projection)

where Self: Sized,

Record one or more assignments into the given [Assignments] map at the specified projection.

impl<M: Model> IntoExpr<List<M>> for CreateMany<M>

fn into_expr(self) -> Expr<List<M>>

Consume self and produce an Expr<T>.

fn by_ref(&self) -> Expr<List<M>>

Produce an Expr<T> from a reference without consuming self.

impl<T, E: IntoExpr<T>> IntoExpr<List<T>> for &[E]

fn into_expr(self) -> Expr<List<T>>

Consume self and produce an Expr<T>.

fn by_ref(&self) -> Expr<List<T>>

Produce an Expr<T> from a reference without consuming self.

impl<T, U, const N: usize> IntoExpr<List<T>> for &[U; N]

where U: IntoExpr<T>,

fn into_expr(self) -> Expr<List<T>>

Consume self and produce an Expr<T>.

fn by_ref(&self) -> Expr<List<T>>

Produce an Expr<T> from a reference without consuming self.

impl<T, U, const N: usize> IntoExpr<List<T>> for [U; N]

where U: IntoExpr<T>,

fn into_expr(self) -> Expr<List<T>>

Consume self and produce an Expr<T>.

fn by_ref(&self) -> Expr<List<T>>

Produce an Expr<T> from a reference without consuming self.

impl<T, U> IntoExpr<List<T>> for Vec<U>

where U: IntoExpr<T>,

fn into_expr(self) -> Expr<List<T>>

Consume self and produce an Expr<T>.

fn by_ref(&self) -> Expr<List<T>>

Produce an Expr<T> from a reference without consuming self.

impl<M: Load> Load for List<M>

List type encoding: List<M> loads as Vec<M::Output>.

type Output = Vec<<M as Load>::Output>

The concrete type produced by load.

fn ty() -> Type

Returns the stmt::Type that describes values of this type.

fn load(value: Value) -> Result<Self::Output, Error>

Deserialize a database Value into Self::Output.

fn ty_relation() -> Type

Returns the stmt::Type used when this type appears as a relation target. The default delegates to ty().

fn load_relation(value: Value) -> Result<Self::Output, Error>

Deserialize a value that was loaded as a relation target.

fn reload(target: &mut Self::Output, value: Value) -> Result<(), Error>

Reload the value in-place from a value returned by the database.