MLstate / opalang

The Opa Language for Web Application Development
http://opalang.org
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Feature: multimaps #165

Closed mbouaziz closed 9 years ago

mbouaziz commented 9 years ago

A multimap(key, val) is just a map(key, list(val)), mapping a key to several (ordered) values. Added two efficient functions to use them : Map.From.assoc_list_multi and Map.add_to_multi