update_array: Update an array with a sub-array.
In LAJordanger/leanRcoding: Leaner R Coding

Description Usage Arguments Details Value

This function will update an array with a sub-array, without any need for the user to worry about the dimension-names.

1	update_array(.arr, .sub_arr, .env = parent.frame())

`.arr`	The array we want to update. The code in its present incarnation requires an array with a full set of unique dimension-names, although I suppose it could be possible to extend to a case where the dimension-names are missing too.
`.sub_arr`	Tue sub-array we want to insert into `.arr`. The dimension-names of `.sub_arr` must be contained in those of `.arr`, but they do not need to be given in the same order.
`.env`	An environment in which `.arr` will be updated. The default value is the environment of the calling function.

Arrays are awesome, but it can alas be agonising to keep track of the dimension-names. This function frees the user from such frustrations.

The result will depend on how .sub_arr and .arr is related. If the dimension-names of .sub_arr is contained in those of .arr, but its dimension is in fact smaller, then the result will be that .arr will be filled with copies of .sub_arr along the unspecified dimensions. If the dimensions are equal, then only those components in .arr that directly match the dimension-names of .sub_arr will be affected.