let span = attr.span().unwrap();
let path = path_to_string(&attr.path);
match meta {
- Meta::Path(_) => span_err(span, &format!("`#[{}]` is not a valid attribute", path)),
+ Meta::Path(_) => span_err(span, &format!("`#[{path}]` is not a valid attribute")),
Meta::NameValue(_) => {
- span_err(span, &format!("`#[{} = ...]` is not a valid attribute", path))
+ span_err(span, &format!("`#[{path} = ...]` is not a valid attribute"))
}
- Meta::List(_) => span_err(span, &format!("`#[{}(...)]` is not a valid attribute", path)),
+ Meta::List(_) => span_err(span, &format!("`#[{path}(...)]` is not a valid attribute")),
}
}
let meta = match nested {
syn::NestedMeta::Meta(meta) => meta,
syn::NestedMeta::Lit(_) => {
- return span_err(span, &format!("`#[{}(\"...\")]` is not a valid attribute", name));
+ return span_err(span, &format!("`#[{name}(\"...\")]` is not a valid attribute"));
}
};
let path = path_to_string(meta.path());
match meta {
Meta::NameValue(..) => {
- span_err(span, &format!("`#[{}({} = ...)]` is not a valid attribute", name, path))
- }
- Meta::Path(..) => {
- span_err(span, &format!("`#[{}({})]` is not a valid attribute", name, path))
+ span_err(span, &format!("`#[{name}({path} = ...)]` is not a valid attribute"))
}
+ Meta::Path(..) => span_err(span, &format!("`#[{name}({path})]` is not a valid attribute")),
Meta::List(..) => {
- span_err(span, &format!("`#[{}({}(...))]` is not a valid attribute", name, path))
+ span_err(span, &format!("`#[{name}({path}(...))]` is not a valid attribute"))
}
}
}