Wraps a call to
for an AST node that supports attributes
This method assigns a
NodeId, and sets that
as our current ‘lint node id’. If a macro call is found
inside this AST node, we will use this AST node’s
to emit lints associated with that macro (allowing
#[deny] to be applied close to
the macro invocation).
A fragment of AST that can be produced by a single macro expansion. Can also serve as an input and intermediate result for macro expansion operations.
“Discriminant” of an AST fragment.
A trait implemented for all
AstFragment nodes and providing all pieces
of functionality used by