Function chalk_derive::each_variant_pair

source · 
pub(crate) fn each_variant_pair<F, R>(
    a: &mut Structure<'_>,
    b: &mut Structure<'_>,
    f: F,
) -> TokenStream
where
    F: FnMut(&VariantInfo<'_>, &VariantInfo<'_>) -> R,
    R: ToTokens,