[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Property Lists
On Wed, 2 Apr 2003, Richard Kelsey wrote:
>SRFI-9 is primarily a mechanism for creating new types. A minimal
>approach would have been for each record to contain a single, immutable
>value. The Scheme implementations mentioned above, along with many
>other programming languages, extend this by allowing multiple, mutable
>fields. SRFI-9 specifies a common interface for this common feature.
>Hashtable-based property lists are a distinctly different, less common
>feature, and one that is usually not combined with creating new types.
>If you think it would be a better approach, then by all means write a
>SRFI for it.
Hmmm. I may at that. But before I go haring off after something that
may be redundant and/or too limited to be of value, I'd like to ask:
Why are record types preferred to property lists? What is the problem
they solve that property lists do not?