Function rustfmt_nightly::macros::rewrite_macro_def

source ยท 
pub(crate) fn rewrite_macro_def(
    context: &RewriteContext<'_>,
    shape: Shape,
    indent: Indent,
    def: &MacroDef,
    ident: Ident,
    vis: &Visibility,
    span: Span,
) -> Option<String>