string library

Are there any plans to either create a string library for Nice,
or extend the functional (i.e. Haskell-prelude-ish) stuff to treat
strings as sequences?  Java's string support is a bit weak.

Related question:  what's the most succinct way of padding a
string out to a given width, with a given padding character?  I'm
more worried about brevity than performance in this case.

Here's one stab at it:

String pad(String s, char c, int w) {
    if (s.length() < w) for (int i : 1..w-s.length()) s += c; return s;
}

Works, but it gives me a warning about i being an unused local variable.
Is there a cleaner way to do it?

Cheers,

-steve


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