Enum hatter::value::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

Performs the conversion.

impl<'_, '_> From<&'_ &'_ str> for Value

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

Performs the conversion.

impl<T: Copy + Into<Value>, '_> From<&'_ [T]> for Value

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

Performs the conversion.

impl<'_> From<&'_ String> for Value

fn from(item: &String) -> Self

Performs the conversion.

impl<'_> From<&'_ Symbol> for Value

fn from(item: &Symbol) -> Self

Performs the conversion.

impl<'_> From<&'_ Value> for Value

fn from(v: &Value) -> Value

Performs the conversion.

impl<T: Copy + Into<Value>, '_> From<&'_ Vec<T>> for Value

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

Performs the conversion.

impl<'_> From<&'_ bool> for Value

fn from(item: &bool) -> Self

Performs the conversion.

impl<'_> From<&'_ f64> for Value

fn from(item: &f64) -> Self

Performs the conversion.

impl<'_> From<&'_ i32> for Value

fn from(item: &i32) -> Self

Performs the conversion.

impl<'_> From<&'_ isize> for Value

fn from(item: &isize) -> Self

Performs the conversion.

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

fn from(item: &str) -> Self

Performs the conversion.

impl<'_> From<&'_ usize> for Value

fn from(item: &usize) -> Self

Performs the conversion.

impl<V> From<(V,)> for Value where
    V: Into<Value>, 

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

Performs the conversion.

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

Performs the conversion.

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

Performs the conversion.

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

Performs the conversion.

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

Performs the conversion.

impl<V1, V2> From<(V1, V2)> for Value where
    V1: Into<Value>,
    V2: Into<Value>, 

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

Performs the conversion.

impl<S, V> From<BTreeMap<S, V>> for Value where
    S: Into<Symbol>,
    V: Into<Value>, 

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

Performs the conversion.

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

fn from(f: F) -> Value

Performs the conversion.

impl<S, V> From<HashMap<S, V, RandomState>> for Value where
    S: Into<Symbol>,
    V: Into<Value>, 

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

Performs the conversion.

impl<T> From<Option<T>> for Value where
    T: Into<Value>, 

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

Performs the conversion.

impl From<Stmt> for Value

fn from(s: Stmt) -> Value

Performs the conversion.

impl From<String> for Value

fn from(item: String) -> Self

Performs the conversion.

impl From<Symbol> for Value

fn from(item: Symbol) -> Self

Performs the conversion.

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

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

Performs the conversion.

impl From<bool> for Value

fn from(item: bool) -> Self

Performs the conversion.

impl From<f64> for Value

fn from(item: f64) -> Self

Performs the conversion.

impl From<i32> for Value

fn from(item: i32) -> Self

Performs the conversion.

impl From<isize> for Value

fn from(item: isize) -> Self

Performs the conversion.

impl From<usize> for Value

fn from(item: usize) -> Self

Performs the conversion.

impl PartialEq<Value> for Value

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

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PartialEq<Value> for String

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

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

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.