Struct juniper::meta::Argument

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

Metadata for an argument to a field

Methods

impl<'a> Argument<'a>

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

Set the description of the argument

This overwrites the description if any was previously set.

fn default_value(self, default_value: InputValue) -> Argument<'a>

Set the default value of the argument

This overwrites the description if any was previously set.

Trait Implementations

impl<'a> GraphQLType for Argument<'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.

impl<'a> Debug for Argument<'a>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'a> Clone for Argument<'a>

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

Returns a copy of the value.

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

Performs copy-assignment from source.