On May 1, 2010, at 02:38 , Jason Dagit wrote:

Why wasn't the Graph class designed this way? My guess: It was probably a decision that predated multiparameter type classes.

Or a specific decision was made to stick to Haskell'98 compatibility.

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery@kf8nh.com

system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu

electrical and computer engineering, carnegie mellon university KF8NH