Some thoughts on an initial stdlib to get things going

std/impl/carray.ts

@@ -0,0 +1,29 @@
+/// <reference path="../../assembly.d.ts" />
+
+/** A C-compatible Array class. */
+@global()
+class CArray<T> {
+
+  /** Constructs a new C-Array of the specified capacity. */
+  constructor(capacity: usize) {
+    return unsafe_cast<usize,this>(Memory.allocate(capacity * sizeof<T>()));
+  }
+
+  /** Gets the element at the specified index using bracket notation. */
+  @inline()
+  "[]"(index: usize): T {
+    return load<T>(unsafe_cast<this,usize>(this) + index * sizeof<T>());
+  }
+
+  /** Sets the element at the specified index using bracket notation. */
+  @inline()
+  "[]="(index: usize, value: T): T {
+    store<T>(unsafe_cast<this,usize>(this) + index * sizeof<T>(), value);
+    return value;
+  }
+
+  /** Disposes this instance and the memory associated with it. */
+  dispose(): void {
+    Memory.dispose(unsafe_cast<this,usize>(this));
+  }
+}