Struct juniper::LookAheadSelection

pub struct LookAheadSelection<'a> { /* fields omitted */ }

A selection performed by a query

Methods

impl<'a> LookAheadSelection<'a>

pub fn for_explicit_type(     &self,     type_name: &str ) -> ConcreteLookAheadSelection<'a>

Convert a eventually type independent selection into one for a concrete type

Trait Implementations

impl<'a> Debug for LookAheadSelection<'a>

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

Formats the value using the given formatter.

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

fn clone(&self) -> LookAheadSelection<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> PartialEq for LookAheadSelection<'a>

fn eq(&self, other: &LookAheadSelection<'a>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &LookAheadSelection<'a>) -> bool

This method tests for !=.

impl<'a> LookAheadMethods for LookAheadSelection<'a>

fn field_name(&self) -> &str

Get the name of the field represented by the current selection

fn select_child(&self, name: &str) -> Option<&Self>

Get the the child selection for a given field

fn arguments(&self) -> &[LookAheadArgument]

Get the top level arguments for the current selection

fn has_child(&self, name: &str) -> bool

Check if a given field exists

fn argument(&self, name: &str) -> Option<&LookAheadArgument>

Get the top level argument with a given name from the current selection