Trait rustc_ap_syntax::ext::base::TTMacroExpander

pub trait TTMacroExpander {
    fn expand<'cx>(
        &self, 
        ecx: &'cx mut ExtCtxt, 
        span: Span, 
        input: TokenStream
    ) -> Box<dyn MacResult + 'cx>;
}

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<dyn MacResult + 'cx>

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Implementors

impl<F> TTMacroExpander for F where
    F: for<'cx> Fn(&'cx mut ExtCtxt, Span, TokenStream) -> Box<dyn MacResult + 'cx>, 

fn expand<'cx>(
    &self,
    ecx: &'cx mut ExtCtxt,
    span: Span,
    input: TokenStream
) -> Box<dyn MacResult + 'cx>

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