Flatten a list: Difference between revisions
Add Refal
(Grouping BASIC dialects) |
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{{out}}
<pre>Igual que la entrada de FreeBASIC.</pre>
==={{header|Chipmunk Basic}}===
{{works with|Chipmunk Basic|3.6.4}}
{{works with|QBasic}}
<syntaxhighlight lang="qbasic">10 cls
20 sstring$ = "[[1], 2, [[3,4], 5], [[[]]], [[[6]]], 7, 8 []]"
30 for sicount = 1 to len(sstring$)
40 if instr("[] ,",mid$(sstring$,sicount,1)) = 0 then
50 sflatter$ = sflatter$+scomma$+mid$(sstring$,sicount,1)
60 scomma$ = ", "
70 endif
80 next sicount
90 print "[";sflatter$;"]"
100 end</syntaxhighlight>
==={{header|FreeBASIC}}===
Line 604 ⟶ 618:
Output:
<pre>[1,2,3,4,5,6,7,8]</pre>
==={{header|GW-BASIC}}===
{{works with|Chipmunk Basic}}
{{works with|QBasic}}
<syntaxhighlight lang="qbasic">10 CLS
20 SSTRING$ = "[[1], 2, [[3,4], 5], [[[]]], [[[6]]], 7, 8 []]"
30 FOR SICOUNT = 1 TO LEN(SSTRING$)
40 IF INSTR("[] ,",MID$(SSTRING$,SICOUNT,1)) = 0 THEN SFLATTER$ = SFLATTER$+SCOMMA$+MID$(SSTRING$,SICOUNT,1): SCOMMA$ = ", "
50 NEXT SICOUNT
60 PRINT "[";SFLATTER$;"]"
70 END</syntaxhighlight>
==={{header|MSX Basic}}===
{{works with|QBasic}}
{{works with|Chipmunk Basic}}
{{works with|GW-BASIC}}
<syntaxhighlight lang="qbasic">10 CLS
20 S$ = "[[1], 2, [[3,4], 5], [[[]]], [[[6]]], 7, 8 []]"
30 FOR SICOUNT = 1 TO LEN(S$)
40 IF INSTR("[] ,",MID$(S$,SICOUNT,1)) = 0 THEN SFLATTER$ = SFLATTER$+SCOMMA$+MID$(S$,SICOUNT,1): SCOMMA$ = ", "
50 NEXT SICOUNT
60 PRINT "[";SFLATTER$;"]"
70 END</syntaxhighlight>
==={{header|PureBasic}}===
Line 1,528 ⟶ 1,565:
(t
(append (flatten (car mylist)) (flatten (cdr mylist))))))</syntaxhighlight>
The flatten-tree function was added in Emacs 27.1 or earlier.
<syntaxhighlight lang="lisp">
(flatten-tree mylist)
</syntaxhighlight>
=={{header|Erlang}}==
Line 2,083 ⟶ 2,126:
return
end</syntaxhighlight>
=={{header|Insitux}}==
Insitux has a built-in flatten function.
<syntaxhighlight lang="insitux">
(flatten [[1] 2 [[3 4] 5] [[[]]] [[[6]]] 7 8 []])
</syntaxhighlight>
{{out}}
<pre>
[1 2 3 4 5 6 7 8]
</pre>
=={{header|Ioke}}==
Line 3,484 ⟶ 3,537:
>> form blk
== "1 2 test a bb 3 4 99"</syntaxhighlight>
=={{header|Refal}}==
<syntaxhighlight lang="refal">$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}}==
Line 4,125 ⟶ 4,192:
End Sub
</syntaxhighlight>
=={{header|V (Vlang)}}==
{{trans|PL/I}}
<syntaxhighlight lang="Zig">
fn main() {
arr := "[[1], 2, [[3, 4], 5], [[[]]], [[[6]]], 7, 8, []]"
println(convert(arr))
}
fn convert(arr string) []int {
mut new_arr := []int{}
for value in arr.replace_each(["[","","]",""]).split_any(", ") {if value !="" {new_arr << value.int()}}
return new_arr
}
</syntaxhighlight>
{{out}}
<pre>
[1, 2, 3, 4, 5, 6, 7, 8]
</pre>
=={{header|Wart}}==
Line 4,161 ⟶ 4,248:
{{libheader|Wren-seq}}
A method already exists for this operation in the above module.
<syntaxhighlight lang="
var a = [[1], 2, [[3, 4], 5], [[[]]], [[[6]]], 7, 8, []]
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