pub enum Span {
    Direct {
        start: usize,
        end: usize,
    },
    Indirect(Box<Span, Global>),
    Unknown,
}
Expand description

Represents a location in the source

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Direct

Fields

§start: usize

The start of the span in characters absolute to the beginning of the specification.

§end: usize

The end of the span in characters absolute to the beginning of the specification.

Direct code reference through byte offset

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Indirect(Box<Span, Global>)

Indirect code reference created through ast refactoring

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Unknown

An unknown code reference

Implementations§

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impl Span

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pub fn is_indirect(&self) -> bool

Return true if the span is indirect.

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pub fn is_unknown(&self) -> bool

Returns true if the span is unknown.

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pub fn union(&self, other: &Span) -> Span

Combines two spans to their union

Trait Implementations§

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impl Clone for Span

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fn clone(&self) -> Span

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
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impl Debug for Span

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for Span

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fn deserialize<__D>(
    __deserializer: __D
) -> Result<Span, <__D as Deserializer<'de>>::Error>where
    __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<'a> From<Span<'a>> for Span

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fn from(span: Span<'a>) -> Span

Converts to this type from the input type.
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impl Hash for Span

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

Feeds this value into the given Hasher. Read more
1.3.0 · source§

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

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq<Span> for Span

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for Span

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fn serialize<__S>(
    &self,
    __serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
    __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Eq for Span

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impl StructuralEq for Span

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impl StructuralPartialEq for Span

Auto Trait Implementations§

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impl RefUnwindSafe for Span

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impl Send for Span

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impl Sync for Span

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impl Unpin for Span

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impl UnwindSafe for Span

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
    T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<Q, K> Equivalent<K> for Qwhere
    Q: Eq + ?Sized,
    K: Borrow<Q> + ?Sized,

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

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere
    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.

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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere
    T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere
    U: Into<T>,

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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.
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impl<T, U> TryInto<U> for Twhere
    U: TryFrom<T>,

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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.
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impl<T> DeserializeOwned for Twhere
    T: for<'de> Deserialize<'de>,