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export const flatten = <T>(array: T[]) => ([] as T[]).concat(...array)
export const random = (min: number, max: number) =>
Math.floor(Math.random() * (max - min) + min)
export const range = (start: number, end: number) =>
Array.from(' '.repeat(end - start), (_, index) => start + index)
export const shuffle = <T>(values: T[]) =>
values
.map((value) => [Math.random(), value] as const)
.sort(([left], [right]) => left - right)
.map(([, value]) => value)
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