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67 lines
1.3 KiB
67 lines
1.3 KiB
#include <cow.hpp>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <array>
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int main()
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{
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return 0;
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}
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/*
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template<typename T = unsigned char>
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void print_slice(Slice<T> memory)
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{
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printf("slice: { %p, %lu (%lu bytes) }\n", memory.area(), memory.size(), memory.size_bytes());
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}
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void write_fake(Cow& clone, const char* string)
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{
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strncpy(clone.area_as<char>(), string, clone.size_as<char>()-1);
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}
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void read_fake(const Cow& clone)
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{
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printf("read_fake: %s\n", clone.area_as<char>());
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}
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void moving_cow(Cow moved)
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{
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auto moved_clone = moved.reinterpret<char>();
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strncpy(&moved_clone, "Ummmm....", moved_clone.size());
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read_fake(moved);
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}
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int main()
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{
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Cow real(4096);
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printf("Created real: ");
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print_slice(real.slice_wrap(-20, -10));
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write_fake(real, "Hello world");
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read_fake(real);
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Cow::Fake clone = real;
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printf("Fake size: %lu\n", clone.size());
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printf("Fake ptr: %p\n", clone.area());
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read_fake(clone);
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write_fake(clone, "hello fake!");
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read_fake(clone);
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read_fake(real);
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printf("First byte of: real = %x, fake = %x\n", real[0], clone[0]);
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moving_cow(std::move(real)); //moving real is fine
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// <-- real is now dropped. But `clone` still holds Rc to _inner (cow_t).
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printf("First byte of: fake = %x\n", clone[0]);
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read_fake(clone); //clone still functions because of refcount on origin.
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return 0;
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}*/
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