http://qs321.pair.com?node_id=884396


in reply to Re^2: maintaining a sorted structure
in thread maintaining a sorted structure

Using DB_File or BerkeleyDB you can easily tie a hash to a BTree, which offers the features that you want.

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Re^4: maintaining a sorted structure
by Anonymous Monk on Jan 26, 2011 at 21:14 UTC
    inspired.