Enum Node 

pub enum Node {
    Lit {
        value: LitValue,
    },
    Unit,
    Var {
        name: String,
    },
    Call {
        func: String,
        args: Vec<Expr>,
    },
    Ctor {
        data: String,
        ctor: String,
        args: Vec<Expr>,
    },
    Unary {
        op: UnaryOp,
        arg: Box<Expr>,
        semantics: Option<Semantics>,
    },
    Binary {
        op: BinaryOp,
        left: Box<Expr>,
        right: Box<Expr>,
        domain: Option<Type>,
        semantics: Option<Semantics>,
        rounding: Option<Rounding>,
        by_zero: Option<ByZero>,
    },
    If {
        cond: Box<Expr>,
        then: Box<Expr>,
        otherwise: Box<Expr>,
    },
    Let {
        name: String,
        value: Box<Expr>,
        body: Box<Expr>,
    },
    Match {
        scrutinee: Box<Expr>,
        cases: Vec<Case>,
    },
    ToString {
        arg: Box<Expr>,
        console: bool,
    },
    Cast {
        arg: Box<Expr>,
        from: Type,
        to: Type,
        flavor: Flavor,
        message: Option<String>,
        order: Option<usize>,
    },
    Abort {
        message: String,
    },
    Print {
        text: Box<Expr>,
        body: Box<Expr>,
    },
    Array {
        items: Vec<Expr>,
    },
    Append {
        left: Box<Expr>,
        right: Box<Expr>,
    },
    Index {
        array: Box<Expr>,
        index: Box<Expr>,
    },
    Length {
        array: Box<Expr>,
    },
    Math {
        op: String,
        args: Vec<Expr>,
    },
    OutNil,
    OutCons {
        head: Box<Expr>,
        tail: Box<Expr>,
    },
}

Variants

Lit

Fields

value: LitValue

Unit

Var

Fields

name: String

Call

Fields

func: String

args: Vec<Expr>

Ctor

Fields

data: String

ctor: String

args: Vec<Expr>

Unary

Fields

op: UnaryOp

arg: Box<Expr>

semantics: Option<Semantics>

Binary

Fields

op: BinaryOp

left: Box<Expr>

right: Box<Expr>

domain: Option<Type>

The operand type of comparisons and arithmetic.

semantics: Option<Semantics>

rounding: Option<Rounding>

by_zero: Option<ByZero>

If

Fields

cond: Box<Expr>

then: Box<Expr>

otherwise: Box<Expr>

Let

Fields

name: String

value: Box<Expr>

body: Box<Expr>

Match

Fields

scrutinee: Box<Expr>

cases: Vec<Case>

ToString

Fields

arg: Box<Expr>

console: bool

console.log of a Number, which prints -0 as “-0” where String(-0) is “0”.

Cast

Fields

arg: Box<Expr>

from: Type

to: Type

flavor: Flavor

message: Option<String>

The message of the guard a checked conversion to a parameter is.

order: Option<usize>

The place of that guard among the callee’s guards.

Abort

Fields

message: String

Print

Prints text, then is body.

Fields

text: Box<Expr>

body: Box<Expr>

Array

A JavaScript array of items.

Fields

items: Vec<Expr>

Append

The elements of left, then those of right.

Fields

left: Box<Expr>

right: Box<Expr>

Index

The element of array at index, a Number or an integer; a read outside the array aborts.

Fields

array: Box<Expr>

index: Box<Expr>

Length

The number of elements of array, as a Number or an integer.

Fields

array: Box<Expr>

Math

A Math or Number function of Numbers; maxOf and minOf fold max and min over one array.

Fields

op: String

args: Vec<Expr>

OutNil

No lines printed (see output).

OutCons

The lines tail with head printed after them.

Fields

head: Box<Expr>

tail: Box<Expr>

Implementations

impl Node

pub const fn kind(&self) -> &'static str

Trait Implementations

impl Clone for Node

fn clone(&self) -> Node

Returns a duplicate of the value.

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 Eq for Node

impl PartialEq for Node

fn eq(&self, other: &Node) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

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.

impl StructuralPartialEq for Node