Function fields

flow-derive/src/utils.rs:24–33

(data: &syn::Data)

}

pub fn fields(data: &syn::Data) -> syn::punctuated::Iter<syn::Field> {
    match data {
        syn::Data::Struct(ref item) => match item.fields {
            syn::Fields::Named(ref fields) => fields.named.iter(),
            syn::Fields::Unnamed(ref fields) => fields.unnamed.iter(),
            _ => unreachable!(),
        },
        _ => unreachable!(),
    }
}

pub fn attr<'a>(attrs: &'a [syn::Attribute], name: &str) -> Option<&'a syn::Attribute> {
    attrs.iter().find(|attr| {