Enum swc_ecma_transforms::util::Value

pub enum Value<T> {
    Known(T),
    Unknown,
}

Runtime value.

Variants

Known(T)

Unknown

Not determined at compile time.`

Methods

impl Value<Type>

pub fn casted_to_number_on_add(self) -> bool

impl<T> Value<T>

pub fn is_unknown(&self) -> bool

Returns true if the value is not known.

pub fn is_known(&self) -> bool

Returns true if the value is known.

impl Value<bool>

pub fn and(self, other: Self) -> Self

pub fn or(self, other: Self) -> Self

Trait Implementations

impl<T: Clone> Clone for Value<T>

fn clone(&self) -> Value<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Copy> Copy for Value<T>

impl<T: Eq> Eq for Value<T>

impl<T: Ord> Ord for Value<T>

fn cmp(&self, other: &Value<T>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl<T: PartialEq> PartialEq<Value<T>> for Value<T>

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

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

fn ne(&self, other: &Value<T>) -> bool

This method tests for !=.

impl<T: PartialOrd> PartialOrd<Value<T>> for Value<T>

fn partial_cmp(&self, other: &Value<T>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Value<T>) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Value<T>) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Value<T>) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Value<T>) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<T: Debug> Debug for Value<T>

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

Formats the value using the given formatter.

impl Not for Value<bool>

type Output = Self

The resulting type after applying the ! operator.

fn not(self) -> Self

Performs the unary ! operation.

impl<T: Hash> Hash for Value<T>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl<T> Try for Value<T>

type Ok = T

🔬 This is a nightly-only experimental API. (try_trait)

The type of this value when viewed as successful.

type Error = UnknownError

🔬 This is a nightly-only experimental API. (try_trait)

The type of this value when viewed as failed.

fn from_ok(t: T) -> Self

🔬 This is a nightly-only experimental API. (try_trait)

Wrap an OK value to construct the composite result. For example, Result::Ok(x) and Result::from_ok(x) are equivalent.

fn from_error(_: UnknownError) -> Self

🔬 This is a nightly-only experimental API. (try_trait)

Wrap an error value to construct the composite result. For example, Result::Err(x) and Result::from_error(x) are equivalent.

fn into_result(self) -> Result<T, UnknownError>

🔬 This is a nightly-only experimental API. (try_trait)

Applies the "?" operator. A return of Ok(t) means that the execution should continue normally, and the result of ? is the value t. A return of Err(e) means that execution should branch to the innermost enclosing catch, or return from the function.

impl<T> StructuralPartialEq for Value<T>

impl<T> StructuralEq for Value<T>