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function a(a, b, c, g) {
for (;;) {
if (0 > c) return a;
a: {
for (;;) {
var k = a.forward[c];
if (t(k))
if (k.key < b) a = k;
else break a;
else break a
}
a = void 0
}
null !=
g && (g[c] = a);
c -= 1
}
}
function t(a) {
return null != a && !1 !== a
}
var d = {forward: [{},null,{}]}
for (var i=0; i < 1000; i++) {
a(d, 0, 1, null);
a(d, 0, 0, null);
}
function test(a) {
var t = a[0]
if (t) {
return t.test;
}
}
function test2(a) {
var t = a[0]
if (t) {
if (t) {
return t.test;
}
}
}
function test3(a) {
var t = a[0]
if (t !== null) {
if (t !== undefined) {
return t.test;
}
}
}
var a = [{test:1}]
var b = [undefined]
assertEq(test(b), undefined)
assertEq(test(a), 1)
assertEq(test(a), 1)
assertEq(test2(b), undefined)
assertEq(test2(a), 1)
assertEq(test2(a), 1)
assertEq(test3(b), undefined)
assertEq(test3(a), 1)
assertEq(test3(a), 1)