Efficient way to code "(symbol,multiplicity)-counting" - how?

2002-05-22 Thread Mark Phillips
Hi, I am new to Haskell and am having some difficulty with the following problem. Suppose I have a list of "symbols", except that each symbol is paired with a "multiplicity". Ie, we have a list of type [(a,Int)]. I want to use these symbols to "count". Let me explain what I mean by count with

Web-based Interface for Experimenting with System I

2002-05-22 Thread Geoff Washburn
We would like to announce the availability of a web-based interface to software for experimenting with automated type inference for System I, a type system for the pure lambda calculus with intersection types and the new technology of _expansion_variables_. System I is the starting point for our