run-dlang · October 4, 2023 21:27
diff --git a/main.d b/main.d
 import std;

 void main()
 {
 string[] f(string s)
 {
    return s.map!(_ => [_,'-'].to!string).array;
 }
 writeln(f("Hello"));  // extected output: ["H-","e-","l-","l-","o-"]
 }
	import std;

	void main()
	{
	string[] f(string s)
	{
	return s.map!(_ => [_,'-'].to!string).array;
	}
	writeln(f("Hello")); // extected output: ["H-","e-","l-","l-","o-"]
	}