Struct async_graphql_parser::types::VariableDefinition[−][src]

pub struct VariableDefinition {
    pub name: Positioned<Name>,
    pub var_type: Positioned<Type>,
    pub default_value: Option<Positioned<ConstValue>>,
}
Expand description

A variable definition inside a list of variable definitions, for example $name:String!.

Reference.

Fields

name: Positioned<Name>
Expand description

The name of the variable, without the preceding $.

var_type: Positioned<Type>
Expand description

The type of the variable.

default_value: Option<Positioned<ConstValue>>
Expand description

The optional default value of the variable.

Implementations

impl VariableDefinition[src]

#[must_use]
pub fn default_value(&self) -> Option<&ConstValue>[src]

Get the default value of the variable; this is default_value if it is present, Value::Null if it is nullable and None otherwise.

Trait Implementations

impl Clone for VariableDefinition[src]

fn clone(&self) -> VariableDefinition[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for VariableDefinition[src]

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.