Struct LookAheadSelection

pub struct LookAheadSelection<'a, S> { /* private fields */ }

Selection of an executed GraphQL query, used in look-ahead operations.

Implementations

impl<'a, S> LookAheadSelection<'a, S>

pub fn field_original_name(&self) -> &'a str

Returns the original name of the field, represented by the current selection.

pub fn field_alias(&self) -> Option<&'a str>

Returns the alias of the field, represented by the current selection, if any is present.

pub fn field_name(&self) -> &'a str

Returns the potentially aliased name of the field, represented by the current selection.

pub fn has_arguments(&self) -> bool

Indicates whether the current selection has any arguments.

pub fn arguments( &self, ) -> impl DoubleEndedIterator<Item = LookAheadArgument<'a, S>>

Returns an Iterator over the top-level arguments from the current selection, if any are present.

pub fn argument(&self, name: &str) -> Option<LookAheadArgument<'a, S>>

Returns the top-level argument from the current selection by its name, if any is present.

pub fn children(&self) -> LookAheadChildren<'a, S>

where S: ScalarValue,

Returns the children from the current selection.

pub fn children_for_explicit_type( &self, type_name: &str, ) -> LookAheadChildren<'a, S>

where S: ScalarValue,

Returns the children from the current selection applying to the specified type only.

pub fn applies_for(&self) -> Option<&str>

Returns the name of parent type, in case there is any for the current selection.

Trait Implementations

impl<'a, S> Clone for LookAheadSelection<'a, S>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, S: Debug> Debug for LookAheadSelection<'a, S>

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

Formats the value using the given formatter.

impl<'a, S> Copy for LookAheadSelection<'a, S>