Windows function

Fully qualified name: Std.Arrays.Windows

Q#

function Windows<'T>(size : Int, array : 'T[]) : 'T[][]

Summary

Returns all consecutive subarrays of length size.

Description

This function returns all n - size + 1 subarrays of length size in order, where n is the length of array. The first subarrays are array[0..size - 1], array[1..size], array[2..size + 1] until the last subarray array[n - size..n - 1].

Type Parameters

'T

The type of array elements.

Input

size

Length of the subarrays.

array

An array of elements.

Example

Q#

// same as [[1, 2, 3], [2, 3, 4], [3, 4, 5]]
let windows = Windows(3, [1, 2, 3, 4, 5]);

Remarks

The size of the window must be a positive integer no greater than the size of the array