feat(Int)

src/index.js

@@ -1,12 +1,13 @@
 import { limits } from "./limits"
 import { memcpy } from "./mem"
 import { Type } from "./Type"
+import { Int } from "./Int"
 import { ConstString } from './ConstString'
 import { ConstArray } from "./ConstArray"
 import { ConstDataView } from './ConstDataView'
 import { Struct } from './Struct'
 
-export { limits, memcpy, Type, ConstString, ConstArray, ConstDataView, Struct }
+export { limits, memcpy, Type, Int, ConstString, ConstArray, ConstDataView, Struct }
 
 export function serialize(dv, src, ...types) {
   const [type, ...inner_types] = types