Add support for the Go programming language.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/go/std_map.i

@@ -0,0 +1,64 @@
+/* -----------------------------------------------------------------------------
+ * std_map.i
+ *
+ * SWIG typemaps for std::map
+ * ----------------------------------------------------------------------------- */
+
+%include <std_common.i>
+
+// ------------------------------------------------------------------------
+// std::map
+// ------------------------------------------------------------------------
+
+// "map" is a keyword in Go.
+#define map cmap
+
+%{
+#define map cmap
+#include <map>
+#include <algorithm>
+#include <stdexcept>
+%}
+
+// exported class
+
+namespace std {
+
+    template<class K, class T> class map {
+        // add typemaps here
+      public:
+        typedef size_t size_type;
+        typedef ptrdiff_t difference_type;
+        typedef K key_type;
+        typedef T mapped_type;
+        map();
+        map(const map<K,T> &);
+        
+        unsigned int size() const;
+        bool empty() const;
+        void clear();
+        %extend {
+            const T& get(const K& key) throw (std::out_of_range) {
+                std::map<K,T >::iterator i = self->find(key);
+                if (i != self->end())
+                    return i->second;
+                else
+                    throw std::out_of_range("key not found");
+            }
+            void set(const K& key, const T& x) {
+                (*self)[key] = x;
+            }
+            void del(const K& key) throw (std::out_of_range) {
+                std::map<K,T >::iterator i = self->find(key);
+                if (i != self->end())
+                    self->erase(i);
+                else
+                    throw std::out_of_range("key not found");
+            }
+            bool has_key(const K& key) {
+                std::map<K,T >::iterator i = self->find(key);
+                return i != self->end();
+            }
+        }
+    };
+}