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REBOL [ Title: "Hash Table" Date: 12-Nov-2002/12:17:35+1:00 Version: 1.0.2 File: %hashtable.r Author: "Gregory Pecheret" Purpose: "Very simple Hashtable object, but usefull!" Email: %gregory--pecheret--free--fr library: [ level: 'intermediate platform: 'all type: 'tool domain: 'database tested-under: none support: none license: none see-also: none ] ] hashtable!: make object! [ data: copy [] addvalue: func [key value /local k] [ inserted: false foreach k data [ if key == first k [ append second k value inserted: true ] ] if not inserted [ append data compose/deep [[(key) [(value)]]] ] ] getKeys: func [/local k ret] [ ret: copy [] foreach k data [ append ret first k ] return ret ] getValue: func [key /local k ret] [ ret: none foreach k data [ if key == first k [ ret: second k ] ] return ret ] getValues: func [] [ ret: copy [] foreach key getKeys [ append ret getValue key ] unique ret ] ] { ; sample ; values added with the same key are put in a list addValue "ghg" "ofgfg" addValue "ghg" "hjhkh" addValue "aaaa" "popop" probe getKeys probe getValue "ghg" probe getValue "aaaa" probe getValues }
halt ;; to terminate script if DO'ne from webpage
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