81 lines
1.8 KiB
TypeScript
81 lines
1.8 KiB
TypeScript
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module mod_vtm_helfer
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{
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export class klasse_hashmap<typ_schluessel, typ_wert>
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{
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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private hashfunction : (schluessel : typ_schluessel)=>string;
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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private speicher : {[hashwert : string] : {schluessel : typ_schluessel; wert : typ_wert;}};
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public constructor(hashfunction : (schluessel : typ_schluessel)=>string)
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{
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this.hashfunction = hashfunction;
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this.speicher = {};
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public setzen(schluessel : typ_schluessel, wert : typ_wert) : void
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{
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let hashwert : string = this.hashfunction(schluessel);
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this.speicher[hashwert] = {"schluessel": schluessel, "wert": wert};
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public holen(schluessel : typ_schluessel) : schnittstelle_fehlermonade<typ_wert>
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{
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let hashwert : string = this.hashfunction(schluessel);
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if (hashwert in this.speicher)
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{
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let wert : typ_wert = this.speicher[hashwert].wert;
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return (new klasse_schlicht<typ_wert>(wert));
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}
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else
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{
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return (new klasse_nichts<typ_wert>());
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}
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public iterieren(prozedur : (schluessel ?: typ_schluessel, wert ?: typ_wert)=>void) : void
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{
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Object.keys(this.speicher).forEach
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(
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(hashwert) =>
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{
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let paar : {schluessel : typ_schluessel; wert : typ_wert;} = this.speicher[hashwert];
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prozedur(paar.schluessel, paar.wert);
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}
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)
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;
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}
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}
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}
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