Enum hatter::Stmt

pub enum Stmt {
    None,
    Value(Value),
    Word(Symbol),
    List(Vec<Stmt>),
    Map(Vec<(Symbol, Stmt)>),
    Call(Box<Stmt>, Vec<Stmt>),
    Return(Box<Stmt>),
    If(Vec<(Stmt, Vec<Stmt>)>),
    For(Option<Symbol>, Symbol, Box<Stmt>, Vec<Stmt>),
    While(Box<Stmt>, Vec<Stmt>),
    Assign(Symbol, Box<Stmt>, bool),
    Tag(Tag),
    Fn(Vec<Symbol>, Vec<Stmt>),
    Args(Vec<(Symbol, Stmt)>),
}

Stmt is an AST node.

Variants

None

Value(Value)

Word(Symbol)

List(Vec<Stmt>)

Map(Vec<(Symbol, Stmt)>)

Call(Box<Stmt>, Vec<Stmt>)

Return(Box<Stmt>)

If(Vec<(Stmt, Vec<Stmt>)>)

For(Option<Symbol>, Symbol, Box<Stmt>, Vec<Stmt>)

While(Box<Stmt>, Vec<Stmt>)

Assign(Symbol, Box<Stmt>, bool)

Tag(Tag)

Fn(Vec<Symbol>, Vec<Stmt>)

Args(Vec<(Symbol, Stmt)>)

Implementations

impl Stmt

pub fn is_some(&self) -> bool

Is this Stmt an actual statement?

pub fn is_none(&self) -> bool

Is this Stmt::None?

pub fn to_str(&self) -> &str

If this is a String or a Word, get a &str of its literal value.

pub fn to_string(&self) -> String

Create a String representation, for debug purposes.

Trait Implementations

impl Clone for Stmt

fn clone(&self) -> Stmt

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Stmt

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

Formats the value using the given formatter.

impl<'_> From<&'_ str> for Stmt

fn from(s: &str) -> Stmt

Performs the conversion.

impl From<Stmt> for Value

fn from(s: Stmt) -> Value

Performs the conversion.

impl From<String> for Stmt

fn from(s: String) -> Stmt

Performs the conversion.

impl From<Tag> for Stmt

fn from(tag: Tag) -> Stmt

Performs the conversion.

impl PartialEq<Stmt> for Stmt

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl StructuralPartialEq for Stmt