Struct Spanning

pub struct Spanning<T, Sp = Span> {
    pub item: T,
    pub span: Sp,
}

Data structure used to wrap items into a Span.

Fields

item: T

Wrapped item.

span: Sp

Span of the wrapped item.

Implementations

impl<T> Spanning<T, Span>

pub fn start(&self) -> SourcePosition

Returns start position of the item.

pub fn end(&self) -> SourcePosition

Returns end position of the item.

NOTE: This points to the first source position after the item.

pub fn map<O, F: Fn(T) -> O>(self, f: F) -> Spanning<O>

Modify the contents of the spanned item.

pub fn and_then<O, F: Fn(T) -> Option<O>>(self, f: F) -> Option<Spanning<O>>

Modifies the contents of the spanned item in case f returns Some, or returns None otherwise.

Trait Implementations

impl<T: Clone, Sp: Clone> Clone for Spanning<T, Sp>

fn clone(&self) -> Spanning<T, Sp>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug, Sp: Debug> Debug for Spanning<T, Sp>

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

Formats the value using the given formatter.

impl<T: Display> Display for Spanning<T>

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

Formats the value using the given formatter.

impl<T: Error> Error for Spanning<T>

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl From<Spanning<ParseError>> for GraphQLError

fn from(err: Spanning<ParseError>) -> Self

Converts to this type from the input type.

impl<T: Hash, Sp: Hash> Hash for Spanning<T, Sp>

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, Sp: PartialEq> PartialEq for Spanning<T, Sp>

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Spanning<ParseError>

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

Serialize this value into the given Serde serializer.

impl<T: Copy, Sp: Copy> Copy for Spanning<T, Sp>

impl<T: Eq, Sp: Eq> Eq for Spanning<T, Sp>

impl<T, Sp> StructuralPartialEq for Spanning<T, Sp>