infixes

Obtain all possible infixes.

Similar: randomInfix, infixes, hasInfix, searchInfix.

function infixes(x, n)
// x: an array
// n: number of values [-1 ⇒ any]

const xarray = require('extra-array');

[...xarray.infixes([1, 2])];
// → [ [], [ 1 ], [ 1, 2 ], [ 2 ] ]

[...xarray.infixes([1, 2, 3])];
// → [ [], [ 1 ], [ 1, 2 ], [ 1, 2, 3 ], [ 2 ], [ 2, 3 ], [ 3 ] ]

References

• Data.List.infixes: Haskell