function test (a, b = 1, [c, d] = [e, f], {g, h}, ...rest) {
}
/**************************************************/
function test(a,b=1,[c,d]=[e,f],{g,h},...rest){}
/**************************************************/
function test ( a, b = 1, [c, d] = [e, f], {g, h}, ...rest )
{
}