Trait syntax::ext::base::TTMacroExpander
[−]
[src]
pub trait TTMacroExpander { fn expand<'cx>(&self,
ecx: &'cx mut ExtCtxt,
span: Span,
input: TokenStream)
-> Box<MacResult + 'cx>; }
🔬 This is a nightly-only experimental API. (
rustc_private
)Represents a thing that maps token trees to Macro Results
Required Methods
fn expand<'cx>(&self,
ecx: &'cx mut ExtCtxt,
span: Span,
input: TokenStream)
-> Box<MacResult + 'cx>
ecx: &'cx mut ExtCtxt,
span: Span,
input: TokenStream)
-> Box<MacResult + 'cx>
🔬 This is a nightly-only experimental API. (
rustc_private
)