It's a diverging function in the sense of the manual:
http://static.rust-lang.org/doc/master/rust.html#diverging-functions
On 01/29/2014 11:21 AM, Gábor Lehel wrote:
On Wed, Jan 29, 2014 at 10:19 AM, Pierre Talbot <[email protected]
<mailto:[email protected]>> wrote:
I add: a pure function can call extern code and diverges, so the
pure requirements are a subset of the CTFE requirements.
How do you plan to enforce that a function won't diverge?
Are there any systems which allow calling functions and enforce
convergence without using dependent types?
(We could probably enforce it by prohibiting both mutual and
self-recursion as well as loops, but I'm guessing this would be too
restrictive to be acceptable.)
Pierre
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