From 03e249e791ba6390da396d798f5228712145fc86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20L=C3=BChne?= <patrick@luehne.de>
Date: Fri, 31 Jan 2020 13:52:57 +0100
Subject: [PATCH] Add useful derive statements

---
 src/ast.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ast.rs b/src/ast.rs
index 0b6c92e..dac7740 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -28,12 +28,14 @@ pub enum UnaryOperator
 
 // Primitives
 
+#[derive(Eq, Hash, PartialEq)]
 pub struct FunctionDeclaration
 {
 	pub name: String,
 	pub arity: usize,
 }
 
+#[derive(Eq, Hash, PartialEq)]
 pub struct PredicateDeclaration
 {
 	pub name: String,