Enum sway_core::parse_tree::Scrutinee

source · [−]

pub enum Scrutinee {
    CatchAll {
        span: Span,
    },
    Literal {
        value: Literal,
        span: Span,
    },
    Variable {
        name: Ident,
        span: Span,
    },
    StructScrutinee {
        struct_name: Ident,
        fields: Vec<StructScrutineeField>,
        span: Span,
    },
    EnumScrutinee {
        call_path: CallPath,
        value: Box<Scrutinee>,
        span: Span,
    },
    Tuple {
        elems: Vec<Scrutinee>,
        span: Span,
    },
}

Expand description

A Scrutinee is on the left-hand-side of a pattern, and dictates whether or not a pattern will succeed at pattern matching and what, if any, elements will need to be implemented in a desugared if expression.

Variants

`CatchAll`

Fields

span: Span

`Literal`

Fields

value: Literal

span: Span

`Variable`

Fields

name: Ident

span: Span

`StructScrutinee`

Fields

struct_name: Ident

fields: Vec<StructScrutineeField>

span: Span

`EnumScrutinee`

Fields

call_path: CallPath

value: Box<Scrutinee>

span: Span

`Tuple`

Fields

elems: Vec<Scrutinee>

span: Span

Implementations

impl Scrutinee

pub fn span(&self) -> Span

Trait Implementations

impl Clone for Scrutinee

fn clone(&self) -> Scrutinee

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl Debug for Scrutinee

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl RefUnwindSafe for Scrutinee

impl Send for Scrutinee

impl Sync for Scrutinee

impl Unpin for Scrutinee

impl UnwindSafe for Scrutinee

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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.

const: unstable · source

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

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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