51 lines
1,001 B
JavaScript
51 lines
1,001 B
JavaScript
export function *rangeGenerator(max) {
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for (let i = 0; i < max; i++) {
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yield i;
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}
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}
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function rangeObjectPropertyNext() {
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if (this.value < this.max) {
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return {
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value: this.value++
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}
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}
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return {
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done: true
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}
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}
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function rangeObjectPropertyIterator() {
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return {
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value: 0,
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max: this.max,
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next: rangeObjectPropertyNext
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};
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}
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export function rangeObjectProperty(max) {
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return {
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max,
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[Symbol.iterator]: rangeObjectPropertyIterator
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};
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}
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export function rangeClosure(max) {
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let value = 0;
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return {
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[Symbol.iterator]() {
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return {
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next() {
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if (value < max) {
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return {
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value: value++
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};
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}
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return {
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done: true
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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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