@mixin foo($x, $y) {
color: $x, $y;
}
div {
color: type-of(red);
color: type-of(#abc);
color: type-of(123);
color: type-of(45px);
color: type-of(98%);
color: type-of(1 2 3);
color: type-of(hey);
color: type-of("ho");
color: type-of(#{1+2}px);
color: type-of(true);
color: type-of(false);
color: type-of(45 or false);
color: type-of(#{#abc});
color: ty#{pe}-of(red);
color: quote(le#{ng}th(a b c d));
color: aqua;
$x : aqua;
color: $x;
color: $x + #000000;
color: $x;
width: #{1+2}+3;
thing: url(type-of(3+3));
//foo + bar: 3px;
}
//@import url(type-of(3+3));