Function rustc_builtin_macros::deriving::partial_eq::expand_deriving_partial_eq

pub fn expand_deriving_partial_eq(
    cx: &mut ExtCtxt<'_>, 
    span: Span, 
    mitem: &MetaItem, 
    item: &Annotatable, 
    push: &mut dyn FnMut(Annotatable)
)