Paul Winkler wrote:
On Wed, Feb 08, 2006 at 11:08:57AM -0500, Stephan Richter wrote:

Decimal is a new type and we have not yet declared it to be a rock.

What is "a rock"?

A rock is an immutable object with no insecure methods. Trusted code can pass a bare rock to untrusted code with no fear that the object will be modified or used for breaking out of the security model. Numbers and strings are rocks.

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