strict version of operations on IntMap and IntSet

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi. - From a discussion I had some time ago on haskell-cafe, it seems that all operations on IntMap and IntSet are lazy. The only exception is `alter`, for IntMap. This can be a problem. As an example, using `fromList` (both from IntMap and IntSet) seems to be rather unfriendly to the garbage collector. Is it possible to have strict variants of the most common operations? Thanks Manlio Perillo -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAknkja0ACgkQscQJ24LbaUThzACffL9JTJv9LqmdZIEJeY9EFobT tZgAnitfwGvaHM+kpOEHX8/mNtnYGVsF =E7+2 -----END PGP SIGNATURE-----