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is-array-of-array ​

is-array-of-array ​

ts
export function isArrayOfArray<A>(item: A[] | A[][]): item is A[][] {
  return Array.isArray(item[0])
}
ts
export function isArrayOfArray<A>(item: A[] | A[][]): item is A[][] {
  return Array.isArray(item[0])
}