Struct Ident 

pub struct Ident(/* private fields */);

Implementations

impl Ident

pub fn name(&self) -> &str

The identifier text.

pub fn constant(&self) -> Option<RConstant>

Classify the identifier as one of R’s special constant symbols, if it is one. T/F classify as RConstant::TSymbol/RConstant::FSymbol even though they are rebindable base bindings — callers that must exclude them use Ident::is_reserved_constant.

pub fn is_true(&self) -> bool

TRUE.

pub fn is_false(&self) -> bool

FALSE.

pub fn is_na(&self) -> bool

NA or one of its typed variants (NA_integer_, …).

pub fn is_null(&self) -> bool

NULL.

pub fn is_nan(&self) -> bool

NaN.

pub fn is_bool_symbol(&self) -> bool

The rebindable boolean symbols T / F.

pub fn is_implicit_method_var(&self) -> bool

An implicit method-dispatch variable (.Generic, .Method, .Class), bound automatically by R inside an S3/S4 (group-)generic method body. It is always defined there, so the semantic model treats it as never a resolvable read rather than an undefined symbol.

pub fn is_dots(&self) -> bool

A dot-dot placeholder (..., ..1), lexed as IDENT but not scope-resolvable.

pub fn is_reserved_constant(&self) -> bool

A reserved constant that is a value, not a symbol reference. Mirrors crate::parser::expr::ident_is_special_constant (NA*, NULL, TRUE, FALSE, Inf, NaN) and excludes the rebindable T/F; this is the set the semantic model skips when recording identifier reads.

Trait Implementations

impl AstToken for Ident

fn can_cast(kind: SyntaxKind) -> bool

fn cast(syntax: SyntaxToken) -> Option<Self>

fn syntax(&self) -> &SyntaxToken

fn text(&self) -> &str

fn text_range(&self) -> TextRange

impl Clone for Ident

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Ident

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

Formats the value using the given formatter.

impl Eq for Ident

impl Hash for Ident

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 PartialEq for Ident

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Ident