Changeset d8938622 for src/AST/Node.hpp

Timestamp:

May 22, 2019, 3:38:47 PM (3 years ago)

Author:

Aaron Moss <a3moss@…>

Branches:

arm-eh, cleanup-dtors, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr

Children:

6380f78

Parents:

37eef7a

Message:

Broken GenericSubstitution? version

File:

• src/AST/Node.hpp (modified) (1 diff)

src/AST/Node.hpp

@@ -94 +94 @@
 std::ostream& operator<< ( std::ostream& out, const Node * node );
 
+/// Call a visitor on a possibly-null node
+template<typename node_t>
+auto maybe_accept( const node_t * n, Visitor & v ) -> decltype( n->accept(v) ) {
+        return n ? n->accept( v ) : nullptr;
+}
+
 /// Base class for the smart pointer types
 /// should never really be used.