diff options
Diffstat (limited to 'crates/typst-syntax/src/node.rs')
| -rw-r--r-- | crates/typst-syntax/src/node.rs | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/crates/typst-syntax/src/node.rs b/crates/typst-syntax/src/node.rs index fde2eaca..948657ca 100644 --- a/crates/typst-syntax/src/node.rs +++ b/crates/typst-syntax/src/node.rs @@ -5,7 +5,6 @@ use std::sync::Arc; use ecow::{eco_format, eco_vec, EcoString, EcoVec}; -use crate::ast::AstNode; use crate::{FileId, Span, SyntaxKind}; /// A node in the untyped syntax tree. @@ -119,26 +118,6 @@ impl SyntaxNode { } } - /// Whether the node can be cast to the given AST node. - pub fn is<'a, T: AstNode<'a>>(&'a self) -> bool { - self.cast::<T>().is_some() - } - - /// Try to convert the node to a typed AST node. - pub fn cast<'a, T: AstNode<'a>>(&'a self) -> Option<T> { - T::from_untyped(self) - } - - /// Cast the first child that can cast to the AST type `T`. - pub fn cast_first_match<'a, T: AstNode<'a>>(&'a self) -> Option<T> { - self.children().find_map(Self::cast) - } - - /// Cast the last child that can cast to the AST type `T`. - pub fn cast_last_match<'a, T: AstNode<'a>>(&'a self) -> Option<T> { - self.children().rev().find_map(Self::cast) - } - /// Whether the node or its children contain an error. pub fn erroneous(&self) -> bool { match &self.0 { |
