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sonicthedgehog

sonicthedgehog

V2EX member #313479, joined on 2018-05-03 11:03:01 +08:00
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@sonicthedgehog 不过这不是惰性计算,难受
class F {

public F() { }

public F apply(int i) {
return new F() {
@Override
public int get() {
return F.this.get() + i * i;
}
};
}

public int get() {
return 0;
}
}
已测试,通过
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