Enum Value

pub enum Value {
    None,
    Bool(bool),
    Number(f64),
    String(Symbol),
    List(List),
    Map(Map),
    Fn(Fn),
    Object(Rc<dyn Object>),
}

Value is the dynamic type that represents an active Hatter object, including objects you define in your own code.

Variants

None

Bool(bool)

Number(f64)

String(Symbol)

List(List)

Map(Map)

Fn(Fn)

Object(Rc<dyn Object>)

Implementations

impl Value

pub fn ok(self) -> Result<Value>

pub fn some(self) -> Option<Value>

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn to_bool(&self) -> bool

pub fn to_f64(&self) -> f64

pub fn to_str(&self) -> &str

pub fn typename(&self) -> &str

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl Display for Value

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

Formats the value using the given formatter.

impl From<&&String> for Value

fn from(item: &&String) -> Self

Converts to this type from the input type.

impl From<&&str> for Value

fn from(item: &&str) -> Self

Converts to this type from the input type.

impl<T: Copy + Into<Value>> From<&[T]> for Value

fn from(vec: &[T]) -> Self

Converts to this type from the input type.

impl From<&String> for Value

fn from(item: &String) -> Self

Converts to this type from the input type.

impl From<&Symbol> for Value

fn from(item: &Symbol) -> Self

Converts to this type from the input type.

impl From<&Value> for Value

fn from(v: &Value) -> Value

Converts to this type from the input type.

impl<T: Copy + Into<Value>> From<&Vec<T>> for Value

fn from(vec: &Vec<T>) -> Self

Converts to this type from the input type.

impl From<&bool> for Value

fn from(item: &bool) -> Self

Converts to this type from the input type.

impl From<&f64> for Value

fn from(item: &f64) -> Self

Converts to this type from the input type.

impl From<&i32> for Value

fn from(item: &i32) -> Self

Converts to this type from the input type.

impl From<&isize> for Value

fn from(item: &isize) -> Self

Converts to this type from the input type.

impl From<&str> for Value

fn from(item: &str) -> Self

Converts to this type from the input type.

impl From<&usize> for Value

fn from(item: &usize) -> Self

Converts to this type from the input type.

impl<V> From<(V,)> for Value

where V: Into<Value>,

fn from(f: (V,)) -> Value

Converts to this type from the input type.

impl<V1, V2> From<(V1, V2)> for Value

where V1: Into<Value>, V2: Into<Value>,

fn from(f: (V1, V2)) -> Value

Converts to this type from the input type.

impl<V1, V2, V3> From<(V1, V2, V3)> for Value

where V1: Into<Value>, V2: Into<Value>, V3: Into<Value>,

fn from(f: (V1, V2, V3)) -> Value

Converts to this type from the input type.

impl<V1, V2, V3, V4> From<(V1, V2, V3, V4)> for Value

where V1: Into<Value>, V2: Into<Value>, V3: Into<Value>, V4: Into<Value>,

fn from(f: (V1, V2, V3, V4)) -> Value

Converts to this type from the input type.

impl<V1, V2, V3, V4, V5> From<(V1, V2, V3, V4, V5)> for Value

where V1: Into<Value>, V2: Into<Value>, V3: Into<Value>, V4: Into<Value>, V5: Into<Value>,

fn from(f: (V1, V2, V3, V4, V5)) -> Value

Converts to this type from the input type.

impl<V1, V2, V3, V4, V5, V6> From<(V1, V2, V3, V4, V5, V6)> for Value

where V1: Into<Value>, V2: Into<Value>, V3: Into<Value>, V4: Into<Value>, V5: Into<Value>, V6: Into<Value>,

fn from(f: (V1, V2, V3, V4, V5, V6)) -> Value

Converts to this type from the input type.

impl<S, V> From<BTreeMap<S, V>> for Value

where S: Into<Symbol>, V: Into<Value>,

fn from(map: BTreeMap<S, V>) -> Self

Converts to this type from the input type.

impl<F> From<F> for Value

where F: 'static + Fn(Args<'_>) -> Result<Value>,

fn from(f: F) -> Value

Converts to this type from the input type.

impl<S, V> From<HashMap<S, V>> for Value

where S: Into<Symbol>, V: Into<Value>,

fn from(map: HashMap<S, V>) -> Self

Converts to this type from the input type.

impl<T> From<Option<T>> for Value

where T: Into<Value>,

fn from(o: Option<T>) -> Self

Converts to this type from the input type.

impl From<Stmt> for Value

fn from(s: Stmt) -> Value

Converts to this type from the input type.

impl From<String> for Value

fn from(item: String) -> Self

Converts to this type from the input type.

impl From<Symbol> for Value

fn from(item: Symbol) -> Self

Converts to this type from the input type.

impl<T: Into<Value>> From<Vec<T>> for Value

fn from(vec: Vec<T>) -> Self

Converts to this type from the input type.

impl From<bool> for Value

fn from(item: bool) -> Self

Converts to this type from the input type.

impl From<f64> for Value

fn from(item: f64) -> Self

Converts to this type from the input type.

impl From<i32> for Value

fn from(item: i32) -> Self

Converts to this type from the input type.

impl From<isize> for Value

fn from(item: isize) -> Self

Converts to this type from the input type.

impl From<usize> for Value

fn from(item: usize) -> Self

Converts to this type from the input type.

impl PartialEq<Value> for String

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for Value

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.