45 lines
716 B
Scheme
45 lines
716 B
Scheme
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(declare (unit util-bst-bdict))
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(import duck)
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(module*
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util-bst-bdict
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#:doc ("Reimplementation of old number-only BST dictionary.")
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(
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list->bdict
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bdict-find-value
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bdict-ref
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bdict-filter-values
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bdict-keys
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bdict-map-list
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bdict-map-dict
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bdict-update
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)
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(import scheme
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util-bst)
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(define (list->bdict lst)
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(list->bst lst 'fixnum eq? <))
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(define (bdict-find-value d p?)
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(let ((kv (bst-find-pair d p?)))
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(if kv
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(cdr kv)
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#f)))
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(define bdict-ref bst-ref)
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(define (bdict-filter-values d p?)
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(map cdr (bst-filter-pairs d p?)))
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(define bdict-keys bst-keys)
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(define bdict-map-list bst-map-list)
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(define bdict-map-dict bst-map-bst)
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(define bdict-update bst-update)
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)
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