Struct SelectionSet

pub struct SelectionSet {
    pub ty: NamedType,
    pub selections: Vec<Selection>,
}

A SelectionSet annotated with type information.

Fields

ty: NamedType

selections: Vec<Selection>

Implementations

impl SelectionSet

pub fn new(ty: NamedType) -> Self

Create a new selection set

pub fn is_empty(&self) -> bool

pub fn push(&mut self, selection: impl Into<Selection>)

pub fn extend( &mut self, selections: impl IntoIterator<Item = impl Into<Selection>>, )

pub fn new_field<'schema>( &self, schema: &'schema Schema, name: Name, ) -> Result<Field, FieldLookupError<'schema>>

Create a new field to be added to this selection set with push

Returns an error if the type of this selection set is not defined or does not have a field named name.

pub fn new_inline_fragment( &self, opt_type_condition: Option<NamedType>, ) -> InlineFragment

Create a new inline fragment to be added to this selection set with push

pub fn new_fragment_spread(&self, fragment_name: Name) -> FragmentSpread

Create a new fragment spread to be added to this selection set with push

pub fn fields(&self) -> impl Iterator<Item = &Node<Field>>

Returns an iterator of field selections directly in this selection set.

Does not recur into inline fragments or fragment spreads.

pub fn root_fields<'doc>( &'doc self, document: &'doc ExecutableDocument, ) -> impl Iterator<Item = &'doc Node<Field>>

Returns an iterator of field selections that are at the root of the response. That is, inline fragments and fragment spreads at the root are traversed, but field sub-selections are not.

See also all_fields.

document is used to look up fragment definitions.

This does not perform field merging, so multiple items in this iterator may have the same response key or point to the same field definition. Named fragments however are only traversed once even if spread multiple times.

pub fn all_fields<'doc>( &'doc self, document: &'doc ExecutableDocument, ) -> impl Iterator<Item = &'doc Node<Field>>

Returns an iterator of all field selections in this operation.

See also root_fields.

document is used to look up fragment definitions.

This does not perform field merging, so multiple items in this iterator may have the same response key or point to the same field definition. Named fragments however are only traversed once even if spread multiple times.

pub fn serialize(&self) -> Serialize<'_, Self>

Returns a builder that has chaining methods for setting serialization configuration, and implements the Display and ToString traits by writing GraphQL syntax.

Trait Implementations

impl Clone for SelectionSet

fn clone(&self) -> SelectionSet

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SelectionSet

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

Formats the value using the given formatter.

impl Display for SelectionSet

Serialize to GraphQL syntax with the default configuration

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

Formats the value using the given formatter.

impl Hash for SelectionSet

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 SelectionSet

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl Eq for SelectionSet

impl StructuralPartialEq for SelectionSet