@thi.ng/rstream-query/qvar.d.ts

@thi.ng/rstream based triple store & reactive query engine

import type { Triple } from "./api.js";
export declare const isQVar: (x: any) => boolean;
export declare const isAutoQVar: (x: any) => boolean;
export declare const autoQVar: () => string;
export declare const qvarName: (x: string) => string;
/**
 * Returns an optimized query variable solution extractor function based
 * on given pattern type. `vs`, `vp`, `vo` are flags to indicate if `s`,
 * `p` and/or `o` pattern items are query variables. The returned fn
 * will be optimized to 1 of the 8 possible case and accepts a single
 * fact to extract the respective variables from.
 *
 * @param vs -
 * @param vp -
 * @param vo -
 * @param s -
 * @param p -
 * @param o -
 */
export declare const qvarResolver: (vs: boolean, vp: boolean, vo: boolean, s: string, p: string, o: string) => ((f: Triple) => {
    [x: number]: any;
}) | undefined;
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