auto fun = function() {  };
auto fun = () {  };
auto fun = {};

auto fun = { int i; };

auto fun = { int i; int i; int i; int i; };

unittest
{
    callFunc({ int i = 10; return i; });
    callFunc({
        int i = 10;
        foo(alpha, bravo, charlie, delta, echo, foxtrot, golf, echo);
        doStuff(withThings, andOtherStuff);
        return i;
    });
    callFunc({
        int i = 10;
        foo(alpha_longVarName, bravo_longVarName, charlie_longVarName, delta_longVarName,
            echo_longVarName, foxtrot_longVarName, golf_longVarName, echo_longVarName);
        doStuff(withThings, andOtherStuff);
        return i;
    }, more_stuff);
}