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26 lines
964 B
26 lines
964 B
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.letrec = letrec;
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const LazyArbitrary_1 = require("./_internals/LazyArbitrary");
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const globals_1 = require("../utils/globals");
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const safeObjectCreate = Object.create;
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function letrec(builder) {
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const lazyArbs = safeObjectCreate(null);
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const tie = (key) => {
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if (!(0, globals_1.safeHasOwnProperty)(lazyArbs, key)) {
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lazyArbs[key] = new LazyArbitrary_1.LazyArbitrary(String(key));
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}
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return lazyArbs[key];
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};
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const strictArbs = builder(tie);
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for (const key in strictArbs) {
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if (!(0, globals_1.safeHasOwnProperty)(strictArbs, key)) {
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continue;
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}
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const lazyAtKey = lazyArbs[key];
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const lazyArb = lazyAtKey !== undefined ? lazyAtKey : new LazyArbitrary_1.LazyArbitrary(key);
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lazyArb.underlying = strictArbs[key];
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lazyArbs[key] = lazyArb;
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}
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return strictArbs;
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}
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