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disjoint ​

ts
function disjoint<const T>(
    arrs: readonly (readonly T[])[]
): readonly T[]

Returns an array with the items that appear in only one array.

Example ​

ts
arr.disjoint([[1, 2, 3], [1, 2, 3]]) // []
ts
arr.disjoint([[1]]) // [1]
arr.disjoint([[false, true], []]) // [false, true]
arr.disjoint([[4, 5, 6], [5, 6, 7]]) // [4, 7]
arr.disjoint([
    ['George', 'Paul', 'John', 'Ringo', 'George'],
    ['Ringo'],
    ['John'],
]) // ['George', 'Paul']