[plt-scheme] no mappend! in scheme/mpair?

From: John Clements (clements at brinckerhoff.org)
Date: Mon Jan 14 14:59:22 EST 2008

I would think that the principal use of mpairs would be to allow  
programmers to use existing mutable-pair code, including append! and  
reverse!.  However, I don't see an mappend! or mreverse!.  Is their  
omission an oversight, or is there some good reason not to have them?

John Clements

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