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

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

impl Spanned for Scrutinee

fn span(&self) -> Span

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)

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