Implementation of Functional Languages : 11th International Workshop IFL’99 Lochem The Netherlands September 7 10 1999. Selected Papers This book constitutes the thoroughly refereed post workshop proceedings of the 11th International Workshop on the Implementation of Functional Languages IFL99 held in Lochem The Netherlands in September 1999. The 11 revised full papers presented were carefully selected during two rounds of reviewing. The papers are organized in sections on applications compilation techniques language concepts and parallelism