diff --git a/includes/type/base.pat b/includes/type/base.pat
new file mode 100644
index 0000000..56a9e22
--- /dev/null
+++ b/includes/type/base.pat
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <std/io.pat>
+#include <std/math.pat>
+
+namespace type {
+    
+    using Hex<T> = T [[format("type::impl::format_hex")]];
+    using Oct<T> = T [[format("type::impl::format_oct")]];
+    using Dec<T> = T [[format("type::impl::format_dec")]];
+    using Bin<T> = T [[format("type::impl::format_bin")]];
+
+	namespace impl {
+
+        fn format_number(auto value, str fmt) {
+            bool negative = value < 0;
+            
+            if (negative)
+                return std::format("-" + fmt, std::math::abs(value));
+            else
+                return std::format(fmt, value);
+        };
+
+        fn format_hex(auto value) { return format_number(value, "0x{:02X}"); };
+        fn format_oct(auto value) { return format_number(value, "0o{:03o}"); };
+        fn format_dec(auto value) { return format_number(value, "{}"); };
+        fn format_bin(auto value) { return format_number(value, "0b{:08b}"); };
+
+	}
+
+}
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