More stdlib setup

std/assembly/array.ts

@@ -1,25 +1,13 @@
-// Multiple options:
-// 1. C-like with no 'length' or 'push'
-// 2. Descriptors that can be constructed from lower level arrays
-
 @global()
-class Array<T> {
+export class Array<T> {
 
   readonly capacity: i32;
   length: i32;
   ptr: usize;
 
-  static fromPtr<T>(ptr: usize, capacity: i32): Array<T> {
-    assert(capacity >= 0);
-    const arr: Array<T> = new Array(0);
-    store<i32>(changetype<Array<T>, usize>(arr), capacity);
-    arr.length = ptr;
-    arr.ptr = ptr;
-    return arr;
-  }
-
   constructor(capacity: i32 = 0) {
-    assert(capacity >= 0);
+    if (capacity < 0)
+      throw new RangeError("invalid array length");
     this.capacity = this.length = capacity;
     if (capacity > 0) {
       this.ptr = Heap.allocate(<usize>capacity);
@@ -35,5 +23,5 @@ class Array<T> {
     Heap.dispose(changetype<this,usize>(this));
   }
 
-  static test(): void {}
+  // TODO
 }