Struct ExprMetadata 

pub struct ExprMetadata { /* private fields */ }

User-facing annotations and origin information for an expression node.

Implementations

impl ExprMetadata

pub fn new(source: ExprSourceKind) -> Self

Creates metadata for the given source category.

pub fn source(&self) -> ExprSourceKind

Returns the node’s source category.

pub fn name(&self) -> Option<&str>

Returns the optional user-assigned name.

pub fn tags(&self) -> &[Arc<str>]

Returns the user-assigned tags.

pub fn has_tag(&self, tag: &str) -> bool

Returns whether the metadata contains tag.

Trait Implementations

impl Clone for ExprMetadata

fn clone(&self) -> ExprMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExprMetadata

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExprMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ExprMetadata

impl PartialEq for ExprMetadata

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ExprMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ExprMetadata