feat(README, filledDataView, sizedDataView)

types/index.d.ts

@@ -1,4 +1,4 @@
-import { memcpy } from './mem'
+import { sizedDataView, filledDataView, memcpy } from './mem'
 import { limits } from './limits'
 import { Type } from './Type'
 import { Int } from './Int'
@@ -9,6 +9,8 @@ import { Sequence } from './Sequence'
 import { Struct } from './Struct'
 
 export {
+  sizedDataView,
+  filledDataView,
   memcpy,
   limits,
   Type,

types/mem.d.ts

@@ -1,3 +1,6 @@
+export function sizedDataView(size: number): DataView
+export function filledDataView(bytes: number[]): DataView
+
 /**
  * copies max possible number of bytes from src to dest (min of both sizes)
  */