Trait apollo_parser::ast::AstNode

source · 
pub trait AstNode {
    fn can_cast(kind: SyntaxKind) -> bool
    where
        Self: Sized;
    fn cast(syntax: SyntaxNode) -> Option<Self>
    where
        Self: Sized;
    fn syntax(&self) -> &SyntaxNode;

    fn source_string(&self) -> String { ... }
    fn clone_for_update(&self) -> Self
    where
        Self: Sized,
    { ... }
    fn clone_subtree(&self) -> Self
    where
        Self: Sized,
    { ... }
}
Expand description

The main trait to go from untyped SyntaxNode to a typed ast. The conversion itself has zero runtime cost: ast and syntax nodes have exactly the same representation: a pointer to the tree root and a pointer to the node itself.

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