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arc-alex
13 lines
261 B
TypeScript
13 lines
261 B
TypeScript
/**
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* Allows lazy evaluation and caching of a functions result
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*/
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export function lazyEvaluate<T>(fn: () => T): () => T {
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let result: T | undefined;
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return function () {
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if (result === undefined) {
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result = fn();
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}
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return result;
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};
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}
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