Struct VariableDefinition

pub struct VariableDefinition {
    pub name: Positioned<Name>,
    pub var_type: Positioned<Type>,
    pub directives: Vec<Positioned<Directive>>,
    pub default_value: Option<Positioned<ConstValue>>,
}

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

Reference.

Fields

name: Positioned<Name>

The name of the variable, without the preceding $.

var_type: Positioned<Type>

The type of the variable.

directives: Vec<Positioned<Directive>>

The variable’s directives.

default_value: Option<Positioned<ConstValue>>

The optional default value of the variable.

Implementations

impl VariableDefinition

pub fn default_value(&self) -> Option<&ConstValue>

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

fn clone(&self) -> VariableDefinition

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for VariableDefinition

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for VariableDefinition

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for VariableDefinition

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.