bearophile:
> But how many times do you want to ignore some of the 
> arguments listed? 

I do a lot. The way I do it is the arguments are made
available to the format, but it doesn't always need them
at runtime.

string f = showNames ? "%1$s\t%2$d" : "%2$d";
writefln(f, name, number);


Though I don't literally use writefln for most
my code the same idea applies.

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