Enum swc_ecma_preset_env::Feature[−][src]

pub enum Feature {
Show 43 variants    TemplateLiterals,
    Literals,
    FunctionName,
    ArrowFunctions,
    BlockScopedFunctions,
    Classes,
    ObjectSuper,
    ShorthandProperties,
    DuplicateKeys,
    ComputedProperties,
    ForOf,
    StickyRegex,
    DotAllRegex,
    UnicodeRegex,
    Spread,
    Parameters,
    Destructuring,
    BlockScoping,
    TypeOfSymbol,
    NewTarget,
    Regenerator,
    ExponentiationOperator,
    AsyncToGenerator,
    AsyncGeneratorFunctions,
    ObjectRestSpread,
    UnicodePropertyRegex,
    JsonStrings,
    OptionalCatchBinding,
    NamedCapturingGroupsRegex,
    MemberExpressionLiterals,
    PropertyLiterals,
    ReservedWords,
    ExportNamespaceFrom,
    NullishCoalescing,
    LogicalAssignmentOperators,
    OptionalChaining,
    ClassProperties,
    NumericSeparator,
    PrivateMethods,
    UnicodeEscapes,
    BugfixAsyncArrowsInClass,
    BugfixEdgeDefaultParam,
    BugfixTaggedTemplateCaching,
}

Variants

`TemplateLiterals`

transform-template-literals

`Literals`

transform-literals

`FunctionName`

transform-function-name

`ArrowFunctions`

transform-arrow-functions

`BlockScopedFunctions`

transform-block-scoped-functions

`Classes`

transform-classes

`ObjectSuper`

transform-object-super

`ShorthandProperties`

transform-shorthand-properties

`DuplicateKeys`

transform-duplicate-keys

`ComputedProperties`

transform-computed-properties

`ForOf`

transform-for-of

`StickyRegex`

transform-sticky-regex

`DotAllRegex`

transform-dotall-regex

`UnicodeRegex`

transform-unicode-regex

`Spread`

transform-spread

`Parameters`

transform-parameters

`Destructuring`

transform-destructuring

`BlockScoping`

transform-block-scoping

`TypeOfSymbol`

transform-typeof-symbol

`NewTarget`

transform-new-target

`Regenerator`

transform-regenerator

`ExponentiationOperator`

transform-exponentiation-operator

`AsyncToGenerator`

transform-async-to-generator

`AsyncGeneratorFunctions`

proposal-async-generator-functions

`ObjectRestSpread`

proposal-object-rest-spread

`UnicodePropertyRegex`

proposal-unicode-property-regex

`JsonStrings`

proposal-json-strings

`OptionalCatchBinding`

proposal-optional-catch-binding

`NamedCapturingGroupsRegex`

transform-named-capturing-groups-regex

`MemberExpressionLiterals`

transform-member-expression-literals

`PropertyLiterals`

transform-property-literals

`ReservedWords`

transform-reserved-words

`ExportNamespaceFrom`

proposal-export-namespace-from

`NullishCoalescing`

proposal-nullish-coalescing-operator

`LogicalAssignmentOperators`

proposal-logical-assignment-operators

`OptionalChaining`

proposal-optional-chaining

`ClassProperties`

proposal-class-properties

`NumericSeparator`

proposal-numeric-separator

`PrivateMethods`

proposal-private-methods

`UnicodeEscapes`

transform-unicode-escapes

`BugfixAsyncArrowsInClass`

bugfix/transform-async-arrows-in-class

`BugfixEdgeDefaultParam`

bugfix/transform-edge-default-parameters

`BugfixTaggedTemplateCaching`

bugfix/transform-tagged-template-caching

Implementations

impl Feature

pub fn should_enable(
    self,
    target: Versions,
    bugfixes: bool,
    default: bool
) -> bool

impl Feature

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

Trait Implementations

impl Clone for Feature

fn clone(&self) -> Feature

Returns a copy of the value. Read more

1.0.0[src]

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

Performs copy-assignment from source. Read more

impl Debug for Feature

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for Feature

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl Display for Feature

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

Formats the value using the given formatter. Read more

impl From<Feature> for FeatureOrModule

fn from(v: Feature) -> Self

Performs the conversion.

impl FromStr for Feature

type Err = ()

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, ()>

Parses a string s to return a value of this type. Read more

impl Hash for Feature

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

Feeds this value into the given Hasher. Read more

1.3.0[src]

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

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<Feature> for Feature

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

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

1.0.0[src]

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

This method tests for !=.

impl Serialize for Feature

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

Serialize this value into the given Serde serializer. Read more

impl Copy for Feature

impl Eq for Feature

impl StructuralEq for Feature

impl StructuralPartialEq for Feature

Auto Trait Implementations

impl RefUnwindSafe for Feature

impl Send for Feature

impl Sync for Feature

impl Unpin for Feature

impl UnwindSafe for Feature

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CallHasher for T where
T: Hash + ?Sized,

pub default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

pub fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

pub fn from(t: T) -> T

Performs the conversion.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

Performs the conversion.

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)

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

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T where
T: Display + ?Sized,

pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

impl<T> Node for T where
T: Any + ?Sized,

impl<T> Send for T where
T: ?Sized,

impl<T> Sync for T where
T: ?Sized,