generics parsing and AST

parser/src/ast.rs

@@ -81,6 +81,7 @@ pub enum TopLevelKind {
     },
     StructDecl {
         visibility: Visibility,
+        generics: Generics,
         name: Identifier,
         fields: FieldList,
     },
@@ -94,6 +95,9 @@ pub enum TopLevelKind {
     },
 }
 
+#[derive(Debug, Clone, Serialize)]
+pub struct Generics(pub Vec<(Identifier, Vec<Path>)>);
+
 #[derive(Debug, Clone, Serialize)]
 pub enum Pattern {
     NamedTuple(Path, Vec<Identifier>),