Difficult ownership questions

src/project/mod.rs

@@ -0,0 +1,53 @@
+use std::collections::HashMap;
+
+mod resolve_names;
+
+
+#[derive(Debug, Clone)]
+pub struct Project {
+    pub modules: HashMap<Vec<String>, Module>,
+}
+
+#[derive(Debug, Clone)]
+pub struct Export {
+    isSymbol: bool,
+    subpaths: HashMap<String, Export>
+}
+
+#[derive(Debug, Clone)]
+pub struct Module {
+    pub substitutions: Vec<Substitution>,
+    pub exports: HashMap<String, Export>,
+    pub all_ops: Vec<String>
+}
+
+#[derive(Debug, Clone)]
+pub struct Substitution {
+    pub source: Expr,
+    pub priority: f64,
+    pub target: Expr
+}
+
+#[derive(Debug, Clone)]
+pub enum Literal {
+    Num(f64),
+    Int(u64),
+    Char(char),
+    Str(String),
+}
+
+#[derive(Debug, Clone)]
+pub enum Token {
+    Literal(Literal),
+    Name(String),
+    Bound,
+    S(Vec<Expr>),
+    Lambda(Vec<Vec<usize>>, Option<Box<Expr>>, Vec<Expr>),
+    Auto(Option<Vec<Vec<usize>>>, Option<Box<Expr>>, Vec<Expr>)
+}
+
+#[derive(Debug, Clone)]
+pub struct Expr {
+    pub token: Token,
+    pub typ: Box<Expr>
+}