From e88ed97b06565bdf369684f1611b38b461a1b597 Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Tue, 30 Oct 2018 18:39:25 -0700
Subject: [PATCH] Add subpattern struct

---
 schala-lang/language/src/reduced_ast.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/schala-lang/language/src/reduced_ast.rs b/schala-lang/language/src/reduced_ast.rs
index 8c404ba..f6e4d26 100644
--- a/schala-lang/language/src/reduced_ast.rs
+++ b/schala-lang/language/src/reduced_ast.rs
@@ -59,7 +59,7 @@ pub enum Expr {
 #[derive(Debug, Clone)]
 pub struct Alternative {
   pub tag: Option<usize>,
-  pub subpatterns: Vec<Alternative>,
+  pub subpatterns: Vec<Option<Subpattern>>,
   pub guard: Option<Expr>,
   pub bound_vars: Vec<Option<Rc<String>>>, //remember that order matters here
   pub item: Vec<Stmt>,
@@ -71,6 +71,14 @@ impl Alternative {
   }
 }
 
+#[derive(Debug, Clone)]
+pub struct Subpattern {
+  pub tag: Option<usize>,
+  pub subpatterns: Vec<Subpattern>,
+  pub bound_vars: Vec<Option<Rc<String>>>,
+  pub guard: Option<Expr>,
+}
+
 #[derive(Debug, Clone)]
 pub enum Lit {
   Nat(u64),