[plt-scheme] 4.0 question

From: Prabhakar Ragde (plragde at uwaterloo.ca)
Date: Sat Dec 15 20:57:44 EST 2007

Matthew Flatt wrote:

> Structures are immutable by default:

Okay, good. It doesn't say that in the documentation:


but I know that is lagging behind.

> Since mutations to variable are lexically apparent (in a `module'
> world), they do not create anywhere near as much trouble.

That makes sense, especially in light of R6RS. --PR

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