[plt-scheme] immutable vector and box literals

On Jan 29, 2008 11:13 PM, Carl Eastlund <cce at ccs.neu.edu> wrote:
> The first prototype was in OCaml and we didn't use a single mutable
> data structure or variable beyond the mutable values in the Fortress
> language itself.  Even large, complex programs can be written without
> mutation.

"Purely functional data structures: Strong enough to build [a] fortress!"