import std.stdio;
import std.ascii;
import std.algorithm;
import std.array;
import std.typecons;
import std.string;
 
void main()
{
    string[] lines = [
        "key1: valueA", 
        "key2: valueB", 
        "key3: valueC", "\tvalueD", "   valueE",
        "key4: valueF",
    ];
 
    auto aa = lines
    				.fold!((a, b) => b.startsWith!isWhite ? a[0..$-1] ~ (a[$-1] ~ b) : a ~ b)(string[].init)
					.map!(a => a.findSplit(`:`))
					.map!(a => tuple(a[0], a[2]))
					.assocArray;
	aa.writeln;
}

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