Enum syntax::ext::base::SyntaxExtensionExperimental
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pub enum SyntaxExtension { Decorator(Box<ItemDecorator + 'static>), Modifier(Box<ItemModifier + 'static>), NormalTT(Box<TTMacroExpander + 'static>, Option<Span>), IdentTT(Box<IdentMacroExpander + 'static>, Option<Span>), LetSyntaxTT(Box<IdentMacroExpander + 'static>, Option<Span>), }
An enum representing the different kinds of syntax extensions.