Struct juniper::meta::Field

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

Metadata for a field

Methods

impl<'a> Field<'a>

pub fn description(self, description: &str) -> Field<'a>

Set the description of the field

This overwrites the description if any was previously set.

pub fn argument(self, argument: Argument<'a>) -> Field<'a>

Add an argument to the field

Arguments are unordered and can't contain duplicates by name.

pub fn deprecated(self, reason: &str) -> Field<'a>

Set the deprecation reason

This overwrites the deprecation reason if any was previously set.

Trait Implementations

impl<'a> Debug for Field<'a>

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

Formats the value using the given formatter.

impl<'a> Clone for Field<'a>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> GraphQLType for Field<'a>

type Context = SchemaType<'a>

The expected context type for this GraphQL type

type TypeInfo = ()

Type that may carry additional schema information

fn name(_: &()) -> Option<&str>

The name of the GraphQL type to expose.

fn meta<'r>(info: &(), registry: &mut Registry<'r>) -> MetaType<'r>

The meta type representing this GraphQL type.

fn concrete_type_name(&self, _: &Self::Context, _: &()) -> String

Return the concrete type name for this instance/union.

fn resolve_field(     &self,     info: &(),     field: &str,     args: &Arguments,     executor: &Executor<Self::Context> ) -> ExecutionResult

Resolve the value of a single field on this type.

fn resolve_into_type(     &self,     info: &Self::TypeInfo,     type_name: &str,     selection_set: Option<&[Selection]>,     executor: &Executor<Self::Context> ) -> ExecutionResult

Resolve this interface or union into a concrete type

fn resolve(     &self,     info: &Self::TypeInfo,     selection_set: Option<&[Selection]>,     executor: &Executor<Self::Context> ) -> Value

Resolve the provided selection set against the current object.