How to use an associative array with array values.

[tipdbmp via Digitalmars-d-learn]

 // foo is an associative array/hashtable with
 // key type: string
 // value type: int[10]
 //
int[10][string] foo;

// foo["a"] = new int[10]; // Range violation at runtime

// foo["a"][0] = 1; // Range violation at runtime