!!foo;
!!(foo + bar);
!!(foo + bar);
~foo.indexOf(1);
~foo.bar.indexOf(2);
+foo;
-(-foo);
+foo.bar;
1*foo;
foo*1;
1*foo.bar;
foo.bar-0;
""+foo;
    ``+foo;
foo+"";
foo+``;
""+foo.bar;
    ``+foo.bar;
foo.bar+"";
foo.bar+``;
foo += "";
foo += ``;
typeof+foo;
typeof +foo;
let x ='' + 1n;
~foo?.indexOf(1);
~(foo?.indexOf)(1);
1 * a / 2;
(a * 1) / 2;
a * 1 / (b * 1);
/* test */ a * 1 + 2;
/* test */ x /*comment*/ * 1 + 2;
