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libdict

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libdict is a C library that provides the following data structures with efficient insert, lookup, and delete routines:

All data structures in this library support insert, search, and remove, and have bidirectional iterators. The sorted data structures (everything but hash tables) support near-search operations: searching for the key greater or equal to, strictly greater than, lesser or equal to, or strictly less than, a given key. The tree data structures also support the selecting the nth element; this takes linear time, except in path-reduction and weight-balanced trees, where it only takes logarithmic time.

The API and code are written with efficiency as a primary concern. For example, an insert call returns a boolean indicating whether or not the key was already present in the dictionary (i.e. whether there was an insertion or a collision), and a pointer to the location of the associated data. Thus, an insert-or-update operation can be supported with a single traversal of the data structure. In addition, almost all recursive algorithms have been rewritten to use iteration instead.

License

libdict is released under the simplified BSD license.


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c (14,128
data-structures (343
map (208
tree (170
dictionary (97
key-value (81
hashing (51
iterator (21
hashtable (20
avl-tree (15

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