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42 lines
846 B
C
42 lines
846 B
C
/* include/f/nash.h
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**
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** This file is in the public domain.
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*/
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/** Hash-table design:
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***
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*** u2_nash is a non-noun hash-table, meant for ephemeral usage such as
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*** in jam and cue.
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***
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*** It uses a Patricia trie keyed on the mug of the actual key, and then
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*** a vector of key-value pairs to resolve collisions.
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**/
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/* Opaque structure holding hash table.
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*/
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struct u2_nash;
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/* Functions
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*/
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/* u2_na_make(): create a new nash.
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*/
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struct u2_nash*
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u2_na_make();
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/* u2_na_put(): put an entry in the hash table.
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*/
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void
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u2_na_put(struct u2_nash* nash, u2_noun key, u2_noun val);
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/* u2_na_get(): retrieve an entry from the hash table, or u2_none.
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*/
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u2_weak
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u2_na_get(struct u2_nash* nash, u2_noun key);
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/* u2_na_take(): destroy a nash.
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*/
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void
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u2_na_take(struct u2_nash* nash);
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