[vector] #52: Add 'indexed' function

[vector]

#52: Add 'indexed' function
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Reporter:  Khudyakov    |       Owner:     
    Type:  enhancement  |      Status:  new
Priority:  major        |   Milestone:     
 Version:               |    Keywords:     
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 This function turned out to be useful on few occasions. It's possible to
 write such function only for vectors for which vectors of tuples are
 defined. Since indexed stream exists already, it's trivial to add such
 function.

 Patch is in attachment

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Ticket URL: <http://trac.haskell.org/vector/ticket/52>
vector <http://trac.haskell.org/vector>
Package vector