1 files changed, 35 insertions, 0 deletions
diff --git a/type.lua b/type.lua
new file mode 100644
index 00000000..26dc162f
--- /dev/null
+++ b/type.lua
@@ -0,0 +1,35 @@
+$debug
+
+function check (object, class)
+ local v = next(object,nil);
+ while v ~= nil do
+   if class[v] = nil then print("unknown field: " .. v) 
+   elseif type(object[v]) ~= class[v].type  
+     then print("wrong type for field " .. v)
+   end
+   v = next(object,v);
+ end
+ v = next(class,nil);
+ while v ~= nil do
+   if object[v] = nil then
+     if class[v].default ~= nil then
+       object[v] = class[v].default
+     else print("field "..v.." not initialized")
+     end
+   end
+   v = next(class,v);
+ end
+end
+
+typetrilha = @{x = @{default = 0, type = "number"},
+               y = @{default = 0, type = "number"},
+               name = @{type = "string"}
+              }
+
+function trilha (t)  check(t,typetrilha) end
+
+t1 = @trilha{ x = 4, name = "3"}
+
+a = "na".."me"
+
+
+\ No newline at end of file