Type Alias AstId 

pub type AstId<N> = InFile<FileAstId<N>>;

AstId points to an AST node in any file.

It is stable across reparses, and can be used as salsa key/value.

Aliased Type

pub struct AstId<N> {
    pub file_id: HirFileId,
    pub value: FileAstId<N>,
}

Fields

file_id: HirFileId

value: FileAstId<N>

Implementations

impl AstId<Macro>

pub fn decl_macro_expander<'db>( self: AstId<Macro>, db: &'db dyn SourceDatabase, def_crate: Crate, ) -> &'db DeclarativeMacroExpander

Fetches (and compiles) the expander of this decl macro.

impl<N: AstNode> AstId<N>

pub fn to_node(&self, db: &dyn SourceDatabase) -> N

pub fn to_range(&self, db: &dyn SourceDatabase) -> TextRange

pub fn to_in_file_node(&self, db: &dyn SourceDatabase) -> InFile<N>

pub fn to_ptr(&self, db: &dyn SourceDatabase) -> AstPtr<N>

pub fn erase(&self) -> ErasedAstId

pub fn upcast<M: AstIdNode>(self) -> AstId<M>

where N: Into<M>,