From fc7239e7271e879102272ea4d7e98f87f027ee84 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Mon, 31 Oct 2016 10:01:41 +0800
Subject: All - Rough support for `union` (data structure present in all
 stages)

---
 src/ast/ast.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/ast/ast.cpp')

diff --git a/src/ast/ast.cpp b/src/ast/ast.cpp
index 420ac250..6e93a0d9 100644
--- a/src/ast/ast.cpp
+++ b/src/ast/ast.cpp
@@ -191,6 +191,14 @@ Struct Struct::clone() const
     throw "";
 }
 
+Union Union::clone() const
+{
+    decltype(m_variants)    new_vars;
+    for(const auto& f : m_variants)
+        new_vars.push_back( f.clone() );
+    return Union(m_params.clone(), mv$(new_vars));
+}
+
 ::std::ostream& operator<<(::std::ostream& os, const ImplDef& impl)
 {
     return os << "impl<" << impl.m_params << "> " << impl.m_trait.ent << " for " << impl.m_type << "";
@@ -343,6 +351,9 @@ Item Item::clone() const
     (Enum,
         return AST::Item(e.clone());
         ),
+    (Union,
+        return AST::Item(e.clone());
+        ),
     (Trait,
         return AST::Item(e.clone());
         ),
-- 
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