Enum Container 

pub enum Container {
    None,
    Graph,
    Id,
    Index,
    Language,
    List,
    Set,
    Type,
    GraphSet,
    GraphId,
    GraphIndex,
    IdSet,
    IndexSet,
    LanguageSet,
    SetType,
    GraphIdSet,
    GraphIndexSet,
}

Container mapping of a term: the combination of @container values it was defined with.

Variants

None

Empty container: no @container value.

Graph

@graph: the values of the term are graph objects.

Id

@id: the values of the term form an id map, keyed by node identifier.

Index

@index: the values of the term form an index map, keyed by an arbitrary index string.

Language

@language: the values of the term form a language map, keyed by language tag.

List

@list: the values of the term are an ordered list.

Set

@set: the values of the term are always represented as an array.

Type

@type: the values of the term form a type map, keyed by node type.

GraphSet

@graph and @set.

GraphId

@graph and @id.

GraphIndex

@graph and @index.

IdSet

@id and @set.

IndexSet

@index and @set.

LanguageSet

@language and @set.

SetType

@set and @type.

GraphIdSet

@graph, @id and @set.

GraphIndexSet

@graph, @index and @set.

Implementations

impl Container

pub fn new() -> Container

Creates a new Container.

pub fn from_syntax(r: Nullable<&Container>) -> Result<Self, InvalidContainer>

Builds a container mapping from its syntactic form.

Errors

Returns an error when the @container value is not one of the combinations the grammar allows.

pub fn from<'a, I: IntoIterator<Item = &'a ContainerKind>>( iter: I, ) -> Result<Container, ContainerKind>

Builds a container mapping from the @container values it combines.

Errors

Returns the offending @container entry when the combination is not allowed by the grammar.

pub fn as_slice(&self) -> &[ContainerKind]

Returns the combined @container values as a slice.

pub fn iter(&self) -> impl Iterator<Item = &ContainerKind>

Returns an iterator over the combined @container values.

pub fn len(&self) -> usize

Returns the number of combined @container values.

pub fn is_empty(&self) -> bool

Checks whether the container mapping is empty.

pub fn contains(&self, c: ContainerKind) -> bool

Checks whether the mapping includes the given @container value.

pub fn with(&self, c: ContainerKind) -> Option<Container>

Returns this mapping extended with the given @container value, or None if the combination is not allowed by the JSON-LD grammar.

pub fn add(&mut self, c: ContainerKind) -> bool

Adds the given @container value to the mapping in place. Returns false (leaving the mapping unchanged) if the combination is not allowed by the JSON-LD grammar.

pub fn into_syntax(self) -> Option<Container>

Converts the mapping into its syntactic form: a single @container value when it combines exactly one, an array when it combines several, and None when it is empty.

Trait Implementations

impl Clone for Container

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Container

impl Debug for Container

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Container

fn default() -> Self

Returns the “default value” for a type.

impl Eq for Container

impl From<ContainerKind> for Container

fn from(c: ContainerKind) -> Self

Converts to this type from the input type.

impl From<TypeContainer> for Container

fn from(c: TypeContainer) -> Self

Converts to this type from the input type.

impl Hash for Container

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Container

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Container