@JsFun("""(obj) => {
    if (window.IDENTITY_HASH_CODE_SYMBOL === undefined) {
        window.IDENTITY_HASH_CODE_SYMBOL = Symbol("KotlinIdentityHashCode");
        window.lastIdentityHashCodeId = 0;
    }
    if (obj == null) return 0;
    if (obj[window.IDENTITY_HASH_CODE_SYMBOL] === undefined) {
        obj[window.IDENTITY_HASH_CODE_SYMBOL] = (window.lastIdentityHashCodeId = window.lastIdentityHashCodeId + 1 | 0);
    }
    return obj[window.IDENTITY_HASH_CODE_SYMBOL];
}""")
internal external fun anyIdentityHashCodeJsRef(ref: JsReference<Any>): Int

internal actual fun anyIdentityHashCode(obj: Any?): Int {
    if (obj == null) return 0
    return anyIdentityHashCodeJsRef(obj.toJsReference())
    //println("anyIdentityHashCode not implemented in WASM!")
    //return -1
}