On 17/01, Daniel Neri wrote: | Luke Gorrie <luke@REDACTED> writes: | | > %% separate(X, L): | > %% Separate the elements of the list L by placing X between them. | | This one is called `intersperse' in the Haskell library, which could | maybe also serve as inspiration for other additions to the lists | module: and `join' in Perl and many other languages.