Organize how the caller determines which attrs to parse
In preparation for parsing even more attributes, such as `repr`.
diff --git a/syntax/parse.rs b/syntax/parse.rs
index 0640e7f..b5070c7 100644
--- a/syntax/parse.rs
+++ b/syntax/parse.rs
@@ -56,7 +56,13 @@
let mut doc = Doc::new();
let mut derives = Vec::new();
- attrs::parse(&item.attrs, &mut doc, Some(&mut derives))?;
+ attrs::parse(
+ &item.attrs,
+ attrs::Parser {
+ doc: Some(&mut doc),
+ derives: Some(&mut derives),
+ },
+ )?;
let fields = match item.fields {
Fields::Named(fields) => fields,