a

example

@@ -1,5 +1,4 @@
-fn main
+fn main {
-{
     urmom();
     isEven();
     5

src/ast.rs

@@ -5,9 +5,16 @@ pub struct Program {
 
 #[derive(Debug)]
 pub enum Decl {
+    Mod(Mod),
     Func(Func),
 }
 
+#[derive(Debug)]
+pub struct Mod {
+    pub name: Ident,
+    pub decls: Vec<Decl>,
+}
+
 #[derive(Debug)]
 pub struct Func {
     pub name: Ident,
@@ -39,3 +46,6 @@ pub enum Type {}
 
 #[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub struct Ident(pub String);
+
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct Path(pub Vec<Ident>);

src/hoas.rs

@@ -8,6 +8,10 @@ use crate::utils::Id;
 type Graph = DiGraphMap<Id, ()>;
 type Scopes = Vec<HashSet<String>>;
 
+pub enum HExpr {
+
+}
+
 #[derive(Debug)]
 pub struct Namespaces {
     funcs: HashMap<Id, Func>,
@@ -20,9 +24,9 @@ pub struct Namespaces {
 impl Namespaces {
     pub fn create(program: Program) -> Self {
         let mut funcs = HashMap::new();
-        let mut types = HashMap::new();
+        let types = HashMap::new();
         let mut func_names = HashMap::new();
-        let mut type_names = HashMap::new();
+        let type_names = HashMap::new();
 
         for decl in program.decls {
             match decl {
@@ -31,6 +35,8 @@ impl Namespaces {
                     func_names.insert(func.name.0.clone(), id);
                     funcs.insert(id, func);
                 }
+                Decl::Mod(_mod) => {
+                }
             }
         }
 

traits

@@ -0,0 +1,13 @@
+trait Foo {
+    fn foo();
+}
+
+struct Bar impls Foo {
+
+}
+
+fn test(f: impl Foo) {
+}
+
+x = Bar {}
+test(x)