Inconsistent hash with java collections
Description
c.c/hash always use hashCode for java collections, which is incompatible when comparing with Clojure collections, which use Murmur3.
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user=> (== (hash (java.util.ArrayList. [1 2 3])) (hash [1 2 3]))
false
user=> (= (java.util.ArrayList. [1 2 3]) [1 2 3])
trueOne way to fix it is to add a special case in Util/hasheq for java.util.Collections, as it is now for Strings.
Link to a discussion of this topic in the Clojure group: https://groups.google.com/forum/#!topic/clojure/dQhdwZsyIEw
Environment
1.6.0 master
Status
Assignee
Unassigned
Reporter
Jozef Wagner
Labels
Approval
Vetted
Patch
Code and Test
Fix versions
Affects versions
Release 1.6
Priority
MinorConfigure