package frama-c

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package frama-c
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Efficient maps from hash-consed trees to values, implemented as Patricia trees.

This implementation of big-endian Patricia trees follows Chris Okasaki's paper at the 1998 ML Workshop in Baltimore. Maps are implemented on top of Patricia trees. A tree is big-endian if it expects the key's most significant bits to be tested first.

type prefix

Undocumented. Needed for advanced users only

module type Id_Datatype = sig ... end

Type of the keys of the map.

module Shape (Key : Id_Datatype) : sig ... end

This functor builds Hptmap_sig.Shape for maps indexed by keys Key, which contains all functions on hptmap that do not create or modify maps.

module type Info = sig ... end

Required information for the correctness of the hptmaps.

module Make (Key : Id_Datatype) (V : Datatype.S) (_ : Info with type key := Key.t and type v := V.t) : Hptmap_sig.S with type key = Key.t and type v = V.t and type 'v map = 'v Shape(Key).map and type prefix = prefix

This functor builds the complete module of maps indexed by keys Key to values V.

module type Compositional_bool = sig ... end

An additional boolean information is computed for each tree, by composing the boolean on the subtrees and the value information on each leaf.

module Make_with_compositional_bool (Key : Id_Datatype) (V : Datatype.S) (_ : Compositional_bool with type key := Key.t and type v := V.t) (_ : Info with type key := Key.t and type v := V.t) : Hptmap_sig.S with type key = Key.t and type v = V.t and type 'v map = 'v Shape(Key).map and type prefix = prefix

This functor builds the complete module of maps indexed by keys Key to values V, with an additional boolean information maintained for each tree.

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