17.3. Functions NREVERSE & NRECONC

Function NREVERSEThe result of NREVERSE is always EQ to the argument. NREVERSE on a VECTOR swaps pairs of elements. NREVERSE on a LIST swaps the first and the last element and reverses the list chaining between them.

Function NRECONCThe result of NRECONC is EQ to the first argument unless it is NIL, in which case the result is EQ to the second argument.


These notes document CLISP version 2.49+Last modified: 2016-09-05