Struct rexpr::ast::Node

pub struct Node {
    pub left: Option<Box<Node>>,
    pub value: Value,
    pub right: Option<Box<Node>>,
    pub node_type: NodeType,
}

Fields

left: Option<Box<Node>>

value: Value

right: Option<Box<Node>>

node_type: NodeType

Implementations

impl Node

pub fn to_number(&self) -> f64

pub fn to_string(&self) -> &str

pub fn to_arg(&self) -> &str

pub fn to_bool(&self) -> bool

pub fn to_token(&self) -> &str

pub fn node_type(&self) -> NodeType

pub fn equal_node_type(&self, arg: &NodeType) -> bool

pub fn is_value_node(&self) -> Option<Value>

pub fn eval(&self, env: &Value) -> Result<Value, Error>

pub fn token(&self) -> Option<&str>

pub fn new_null() -> Self

pub fn new_arg(arg: &str) -> Self

pub fn new_string(arg: &str) -> Self

pub fn new_f64(arg: f64) -> Self

pub fn new_i64(arg: i64) -> Self

pub fn new_u64(arg: u64) -> Self

pub fn new_bool(arg: bool) -> Self

pub fn new_binary(arg_lef: Node, arg_right: Node, token: &str) -> Self

pub fn new_token(arg: &str) -> Self

pub fn parse(data: &str, token: &TokenMap<'_>) -> Result<Self, Error>

Trait Implementations

impl Clone for Node

fn clone(&self) -> Node

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Node

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Node

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Serialize for Node

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

Serialize this value into the given Serde serializer.