Derive more traits for ast

src/parse/ast.rs

@@ -3,12 +3,12 @@
 
 use super::lexer::Token;
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct Ast<'a> {
     pub defs: Vec<Definition<'a>>,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub enum Definition<'a> {
     Struct {
         name: &'a str,
@@ -29,38 +29,38 @@ pub enum Definition<'a> {
     },
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct FnImpl<'a> {
     pub def: FnDef<'a>,
     pub body: BranchBody<'a>,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct FnDef<'a> {
     pub mutable: bool,
     pub name: &'a str,
     pub signature: FnSig<'a>,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct StructMember<'a> {
     pub type_name: &'a str,
     pub name: &'a str,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct FnSig<'a> {
     pub args: Vec<FnArg<'a>>,
     pub return_type: Option<&'a str>,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct FnArg<'a> {
     pub type_name: &'a str,
     pub name: Option<&'a str>,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct BranchBody<'a> {
     pub statements: Vec<Statement<'a>>,
     pub tail_expr: Option<Box<Expr<'a>>>,
@@ -68,7 +68,7 @@ pub struct BranchBody<'a> {
 
 type ExprPair<'a> = Box<(Expr<'a>, Expr<'a>)>;
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub enum Expr<'a> {
     BinaryOp(BinaryOp, ExprPair<'a>),
     UnaryOp(UnaryOp, Box<Expr<'a>>),
@@ -81,7 +81,7 @@ pub enum Expr<'a> {
     If(IfExpr<'a>),
 }
 
-#[derive(Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub enum BinaryOp {
     Add,
     Sub,
@@ -127,7 +127,7 @@ impl BinaryOp {
     }
 }
 
-#[derive(Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub enum UnaryOp {
     BoolNot,
     BitNot,
@@ -147,7 +147,7 @@ impl UnaryOp {
     }
 }
 
-#[derive(Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub enum Literal<'a> {
     BinaryInteger(&'a str),
     OctalInteger(&'a str),
@@ -158,7 +158,7 @@ pub enum Literal<'a> {
     Boolean(bool),
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub enum Statement<'a> {
     Expr(Expr<'a>),
     If(IfStmt<'a>),
@@ -173,14 +173,14 @@ pub enum Statement<'a> {
     },
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct IfExpr<'a> {
     pub test_expr: Box<Expr<'a>>,
     pub then_body: BranchBody<'a>,
     pub else_body: BranchBody<'a>,
 }
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct IfStmt<'a> {
     pub test_expr: Expr<'a>,
     pub then_body: BranchBody<'a>,