1 files changed, 32 insertions, 0 deletions
diff --git a/st/TypeInstance.java b/st/TypeInstance.java
new file mode 100644
index 0000000..13947ae
--- /dev/null
+++ b/st/TypeInstance.java
@@ -0,0 +1,32 @@
+package st;
+
+public class TypeInstance extends AbstractInstance {
+
+    public TypeInstance(String name, TypeEnum type) {
+        super(name, type);
+    }
+
+    public String toString() {
+        return this.name + ":" + this.type;
+    }
+
+    public boolean same_type(TypeInstance other) {
+        /**
+         * Given a TypeInstance object other,
+         * returns true if other object
+         * is the same type as this one.
+         *
+         * We can say two types are equal, as
+         * long as they are not equal on a
+         * type error!
+         */
+
+        return this.type != TypeEnum.ERROR &&
+            this.type == other.get_type();
+    }
+
+    public boolean has_checked() {
+        return type != TypeEnum.ERROR;
+    }
+
+}