Enum Value

pub enum Value {
    Null,
    Boolean(bool),
    Number(Number),
    Character(char),
    String(String),
    Symbol(String),
    Pair(Gc<Value>, Gc<Value>),
    Vector(Vec<Gc<Value>>),
    ByteVector(Vec<u8>),
    Syntax(Syntax),
    Procedure(Procedure),
    ExternalFn(ExternalFn),
    Future(Shared<BoxFuture<'static, Result<Vec<Gc<Value>>, RuntimeError>>>),
    Transformer(Transformer),
    Continuation(Option<Arc<Continuation>>),
    Undefined,
}

Variants

Null

Boolean(bool)

Number(Number)

Character(char)

String(String)

Symbol(String)

Pair(Gc<Value>, Gc<Value>)

Vector(Vec<Gc<Value>>)

ByteVector(Vec<u8>)

Syntax(Syntax)

Procedure(Procedure)

ExternalFn(ExternalFn)

Future(Shared<BoxFuture<'static, Result<Vec<Gc<Value>>, RuntimeError>>>)

Transformer(Transformer)

Continuation(Option<Arc<Continuation>>)

Undefined

Implementations

impl Value

pub fn is_callable(&self) -> bool

pub fn is_true(&self) -> bool

#f is false, everything else is true

pub fn is_variable_transformer(&self) -> bool

pub fn as_callable(&self) -> Option<Box<dyn Callable>>

pub fn fmt(&self) -> BoxFuture<'_, String>

pub fn from_literal(literal: &Literal) -> Self

pub fn from_syntax(syntax: &Syntax) -> Self

pub fn type_name(&self) -> &'static str

pub async fn eqv(&self, other: &Self) -> bool

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl Eval for Value

fn eval<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, _env: &'life1 Env, _cont: &'life2 Option<Arc<Continuation>>, ) -> Pin<Box<dyn Future<Output = Result<Vec<Gc<Value>>, RuntimeError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

fn tail_eval<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, env: &'life1 Env, cont: &'life2 Option<Arc<Continuation>>, ) -> Pin<Box<dyn Future<Output = Result<ValuesOrPreparedCall, RuntimeError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Evaluate the expression in a tail environment

impl From<ExternalFn> for Value

fn from(ef: ExternalFn) -> Self

Converts to this type from the input type.

impl From<Vec<Gc<Value>>> for Value

Create a proper list from a vector of values

fn from(vec: Vec<Gc<Value>>) -> Value

Converts to this type from the input type.

impl Trace for Value

unsafe fn visit_children(&self, visitor: fn(OpaqueGcPtr))

Safety

unsafe fn finalize(&mut self)

Safety

impl<'a> TryFrom<&'a Value> for &'a Number

type Error = RuntimeError

The type returned in the event of a conversion error.

fn try_from(v: &'a Value) -> Result<&'a Number, Self::Error>

Performs the conversion.

impl<'a> TryFrom<&'a Value> for bool

type Error = RuntimeError

The type returned in the event of a conversion error.

fn try_from(v: &'a Value) -> Result<bool, Self::Error>

Performs the conversion.