[rust-dev] Heads up: syntax change with nullary tags in patterns

Niko Matsakis niko at alum.mit.edu
Wed Jan 25 14:21:06 PST 2012


On 1/25/12 12:45 PM, Florian Weimer wrote:
> The last part also applies with exhaustiveness checking.  You can
> reproduce this with Standard ML (which requires such checks and lacks
> a lexical destinction between datacons and binders, or whatever the
> technical terms are)"

Ah, sorry, I misunderstood what you were saying.  You were pointing out 
that program evolution can lead to a bug.  This is a good point that I 
personally had not considered.


Niko


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