1 files changed, 36 insertions, 0 deletions
diff --git a/matlab/Env.m b/matlab/Env.m
new file mode 100644
index 0000000..1d080a3
--- /dev/null
+++ b/matlab/Env.m
@@ -0,0 +1,36 @@
+classdef Env < handle
+    properties
+        data
+        outer
+    end
+    methods
+        function env = Env(outer)
+            env.data = containers.Map();
+            env.outer = outer;
+        end
+        function ret = set(env, k, v)
+            env.data(k.name) = v;
+            ret = v;
+        end
+        function ret = find(env, k)
+            if env.data.isKey(k.name)
+                ret = env;
+            else
+                if ~islogical(env.outer) 
+                    ret = env.outer.find(k);
+                else
+                    ret = false;
+                end
+            end
+        end
+        function ret = get(env, k)
+            fenv = env.find(k);
+            if ~islogical(fenv)
+                ret = fenv.data(k.name);
+            else
+                throw(MException('ENV:notfound', ...
+                                 strcat('''', k.name, ''' not found')));
+            end
+        end
+    end
+end