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53 lines
1.4 KiB
53 lines
1.4 KiB
#ifndef BINARY_OUTPUT_HPP
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#define BINARY_OUTPUT_HPP
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#include <ostream>
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// static_asserts are not too good...
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// Normal
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template <typename T>
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struct binary {
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T thing;
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binary(T const t):thing(t) {}
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binary(binary const& c):thing(c.thing) {}
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};
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template <typename T>
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binary<T> make_binary(T const t) {
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return binary<T>(t);
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}
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template <typename T>
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std::ostream& operator<<(std::ostream& out, binary<T> const& rhs) {
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static_assert(std::is_pod<T>::value, "Please specialise this function if your type is not POD");
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static_assert(!std::is_pointer<T>::value, "Writing pointer");
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out.write(reinterpret_cast<const char*>(&(rhs.thing)), sizeof(rhs.thing));
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return out;
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}
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// Array
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// NOTE: it uses references...
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template <typename T, size_t N>
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struct binary_arr {
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T const(& thing)[N];
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binary_arr(const T(& t)[N]):thing(t) {}
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binary_arr(binary_arr const& c):thing(c.thing) {}
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};
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template <typename T, size_t N>
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binary_arr<T, N> make_binary(const T(& t)[N]) {
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static_assert(N>=0, "lijp");
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return binary_arr<T, N>(t);
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}
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template <typename T, size_t N>
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std::ostream& operator<<(std::ostream& out, binary_arr<T, N> const& rhs) {
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static_assert(std::is_pod<T>::value, "Please specialise this function if your type is not POD");
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static_assert(!std::is_pointer<T>::value, "Writing pointer");
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out.write(reinterpret_cast<const char*>(&(rhs.thing)), sizeof(rhs.thing));
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return out;
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}
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#endif // BINARY_OUTPUT_HPP
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