Struct Spanned 

pub struct Spanned<T> {
    pub value: T,
    pub span: Span,
}

A value with an associated source span.

Fields

value: T

The wrapped value.

span: Span

The source span of the value.

Implementations

impl<T> Spanned<T>

pub fn new(value: T, span: Span) -> Self

Create a new spanned value.

pub fn dummy(value: T) -> Self

Create a new spanned value with a default span.

pub fn map<U>(self, f: impl FnOnce(T) -> U) -> Spanned<U>

Map the value to a new type.

pub fn as_ref(&self) -> Spanned<&T>

Map the value to a new type, keeping the span.

pub fn into_inner(self) -> T

Get the inner value, discarding the span.

pub fn as_pair(&self) -> (&T, &Span)

Get a reference pair of value and span.

Trait Implementations

impl<T: Clone> Clone for Spanned<T>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for Spanned<T>

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

Formats the value using the given formatter.

impl<T: Default> Default for Spanned<T>

fn default() -> Self

Returns the “default value” for a type.

impl<T: Eq> Eq for Spanned<T>

impl<T: Hash> Hash for Spanned<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, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<T: PartialEq> PartialEq for Spanned<T>

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

Equality operator ==.

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

Inequality operator !=.

impl<T: PartialEq> StructuralPartialEq for Spanned<T>