diff --git a/src/types.ts b/src/types.ts
new file mode 100644
index 00000000..e896a8a3
--- /dev/null
+++ b/src/types.ts
@@ -0,0 +1,17 @@
+/**
+ * A module for utility types that could be used in pretty much every module.
+ */
+
+/**
+ * Allows one to create a type that is stored as an underlying type but is distinct from it in the
+ * type system.
+ *
+ * @example
+ * // Creates a distinct `UUID` type from a `string` which can then be expected and only passed
+ * // with either a `UUID` constructor or a value that comes from elsewhere as a constructed `UUID`.
+ * type UUID = Distinct<"UUID", string>;
+ * function UUID(uuid: string): UUID {
+ *     return uuid as UUID;
+ * }
+ */
+export type Distinct<Tag, Type> = Type & { readonly __distinct_tag: Tag };