Re: [racket] impersonators/chaperones for lists

2011-10-22 Thread Sam Tobin-Hochstadt
On Sat, Oct 22, 2011 at 5:50 PM, Shriram Krishnamurthi wrote: > Thanks to you and Sam -- I had wondered if the run-time system wasn't > partly driving this, and certainly chaperones on immutable data don't > make as much sense. They do make sense, and turn out to be important for things like imm

Re: [racket] impersonators/chaperones for lists

2011-10-22 Thread Shriram Krishnamurthi
Thanks to you and Sam -- I had wondered if the run-time system wasn't partly driving this, and certainly chaperones on immutable data don't make as much sense. But I don't see them on mutable lists either _ For list-related administrative tasks

Re: [racket] impersonators/chaperones for lists

2011-10-22 Thread Sam Tobin-Hochstadt
On Sat, Oct 22, 2011 at 4:10 PM, Shriram Krishnamurthi wrote: > I'm missing why there are impersonators and chaperones for various > datatypes but not for lists.  There's surely a good reason why, but I > am having trouble reconstructing what it might be.  Anyone? First, chaperones aren't necess

Re: [racket] impersonators/chaperones for lists

2011-10-22 Thread Vincent St-Amour
At Sat, 22 Oct 2011 22:10:27 +0200, Shriram Krishnamurthi wrote: > I'm missing why there are impersonators and chaperones for various > datatypes but not for lists. There's surely a good reason why, but I > am having trouble reconstructing what it might be. Anyone? I believe it's because lists a

[racket] impersonators/chaperones for lists

2011-10-22 Thread Shriram Krishnamurthi
I'm missing why there are impersonators and chaperones for various datatypes but not for lists. There's surely a good reason why, but I am having trouble reconstructing what it might be. Anyone? Shriram _ For list-related administrative tasks: