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Join the elements of a list, separated by commas

Given the list [Apple, Banana, Carrot] produce "Apple, Banana, Carrot"
DiskEdit
csharp .NET 3.5
using System.Collections.Generic;
public class JoinEach {
public static void Main() {
var list = new List<string>() {"Apple", "Banana", "Carrot"};
System.Console.WriteLine( string.Join(", ", list.ToArray()) );
}
}
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erlang
Result = string:join(Fruit, ", "),
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erlang
Result = lists:foldl(fun (E, Acc) -> Acc ++ ", " ++ E end, hd(Fruit), tl(Fruit)),
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erlang
Result = lists:flatten([ hd(Fruit) | [ ", " ++ X || X <- tl(Fruit)]]).
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cpp C++/CLI .NET 2.0
String^ result = String::Join(L", ", fruit->ToArray());
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cpp boost
string fruits[] = {"Apple", "Banana", "Carrot"};
string result = boost::algorithm::join(fruits, ", ");
DiskEdit
clojure
(apply str (interpose ", " '("Apple" "Banana" "Carrot")))

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