Flatten a list: Difference between revisions

Add Refal
(Add Refal)
(One intermediate revision by one other user not shown)
Line 1,566:
(append (flatten (car mylist)) (flatten (cdr mylist))))))</syntaxhighlight>
 
The flatten-listtree function was added in Emacs 27.1 or earlier, which was in 2020.
 
<syntaxhighlight lang="lisp">
(flatten-listtree mylist)
</syntaxhighlight>
 
Line 3,537:
>> form blk
== "1 2 test a bb 3 4 99"</syntaxhighlight>
 
=={{header|Refal}}==
<syntaxhighlight lang="refal">$ENTRY Go {
, ((1) 2 ((3 4) 5) ((())) (((6))) 7 8 ()): e.List
= <Prout e.List ' -> ' <Flatten e.List>>
};
 
Flatten {
= ;
s.I e.X = s.I <Flatten e.X>;
(e.X) e.Y = <Flatten e.X> <Flatten e.Y>;
};</syntaxhighlight>
{{out}}
<pre>((1 )2 ((3 4 )5 )((()))(((6 )))7 8 ()) -> 1 2 3 4 5 6 7 8</pre>
 
=={{header|REXX}}==
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