forked from vitalif/vitastor
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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#include <iostream>
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#include <functional>
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#include <array>
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#include <cstdlib> // for malloc() and free()
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using namespace std;
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// replace operator new and delete to log allocations
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void* operator new(std::size_t n)
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{
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cout << "Allocating " << n << " bytes" << endl;
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return malloc(n);
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}
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void operator delete(void* p) throw()
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{
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free(p);
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}
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class test
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{
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public:
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std::string s;
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void a(std::function<void()> & f, const char *str)
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{
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auto l = [this, str]() { cout << str << " ? " << s << " from this\n"; };
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cout << "Assigning lambda3 of size " << sizeof(l) << endl;
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f = l;
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}
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};
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int main()
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{
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std::array<char, 16> arr1;
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auto lambda1 = [arr1](){};
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cout << "Assigning lambda1 of size " << sizeof(lambda1) << endl;
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std::function<void()> f1 = lambda1;
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std::array<char, 17> arr2;
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auto lambda2 = [arr2](){};
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cout << "Assigning lambda2 of size " << sizeof(lambda2) << endl;
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std::function<void()> f2 = lambda2;
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test t;
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std::function<void()> f3;
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t.s = "str";
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t.a(f3, "huyambda");
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f3();
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}
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