PrependTo

PrependTo[s, elem] prepends elem to the value of s, and resets s to the result.

PrependTo[s, elem] is equivalent to s = Prepend[s, elem].

PrependTo[s, elem] does not evaluate s.

You can use PrependTo repeatedly to build up a list, though Sow and Reap will usually be more efficient.

PrependTo works on SparseArray objects, returning ordinary lists if necessary.

See Section 2.5.4.

See also: AppendTo, Sow.

New in Version 1.

Further Examples