Struct AstPtr

pub struct AstPtr<N: AstNode> { /* private fields */ }

Like SyntaxNodePtr, but remembers the type of node.

Implementations

impl<N: AstNode> AstPtr<N>

pub fn new(node: &N) -> Self

Returns an AstPtr for the node.

pub fn to_node(&self, root: &SyntaxNode<N::Language>) -> N

Like Self::try_to_node but panics on failure.

pub fn try_to_node(&self, root: &SyntaxNode<N::Language>) -> Option<N>

Given the root node containing the node n that self is a pointer to, returns n if possible. See SyntaxNodePtr::try_to_node.

pub fn syntax_node_ptr(&self) -> SyntaxNodePtr<N::Language>

Returns the underlying SyntaxNodePtr.

pub fn cast<U: AstNode<Language = N::Language>>(self) -> Option<AstPtr<U>>

Casts this to an AstPtr to the given node type if possible.

Trait Implementations

impl<N: AstNode> Clone for AstPtr<N>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<N: AstNode> Debug for AstPtr<N>

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

Formats the value using the given formatter.

impl<N: AstNode> From<AstPtr<N>> for SyntaxNodePtr<N::Language>

fn from(ptr: AstPtr<N>) -> SyntaxNodePtr<N::Language>

Converts to this type from the input type.

impl<N: AstNode> Hash for AstPtr<N>

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<N: AstNode> PartialEq for AstPtr<N>

fn eq(&self, other: &AstPtr<N>) -> 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<N: AstNode> Eq for AstPtr<N>