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A comment on Reia: Friendly, Ruby-style syntax on the Erlang VM. Parent comment

Re:Reia: Friendly, Ruby-style syntax on the Erlang VM by metabrew on Wednesday December 15, 2010 @06:21PM (#2010282)
there are some hipe_bifs that let you do naughty and unpure things like destructive modification of arrays and what-not.
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Re:Reia: Friendly, Ruby-style syntax on the Erlang VM by gordonguthrie on Thursday December 16, 2010 @04:37AM (#2011579)
With all due respect metabrew, if you do that you are a nutter.

Non-mutability is not some crazy quick left there as an afterthought - it is at the core of Erlang - it is how you build reliable systems in the presence of errors.

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Re:Reia: Friendly, Ruby-style syntax on the Erlang VM by elgenie on Thursday December 16, 2010 @05:16AM (#2011629)
And nifs can be made to do most anything you want to module-private data.

But if you're cheating on purity, there better be a darn good reason.

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