26 lines
541 B
C++
26 lines
541 B
C++
//
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// Created by light on 20-1-10.
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//
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#include <iostream>
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class test3 {
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public:
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int value;
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// constexpr const method - can't chanage the values of object fields and can
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// be evaluated at compile time.
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constexpr int getvalue() const { return (value); }
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constexpr test3(int Value) : value(Value) {}
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};
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int main() {
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// 加不加都行
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constexpr test3 x(100); // OK. Constructor is constexpr.
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int array[x.getvalue()]; // OK. x.getvalue() is constexpr and can be evaluated
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// at compile time.
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}
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