mirror of https://github.com/bsnes-emu/bsnes.git
33 lines
885 B
C++
33 lines
885 B
C++
#ifndef NALL_UTILITY_HPP
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#define NALL_UTILITY_HPP
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#include <type_traits>
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#include <utility>
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namespace nall {
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template<typename T> struct base_from_member {
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T value;
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base_from_member(T value_) : value(value_) {}
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};
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template<typename T> class optional {
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public:
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bool valid;
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T value;
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public:
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inline operator bool() const { return valid; }
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inline const T& operator()() const { if(!valid) throw; return value; }
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inline optional<T>& operator=(const optional<T> &source) { valid = source.valid; value = source.value; return *this; }
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inline optional() : valid(false) {}
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inline optional(bool valid, const T &value) : valid(valid), value(value) {}
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};
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template<typename T> inline T* allocate(unsigned size, const T &value) {
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T *array = new T[size];
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for(unsigned i = 0; i < size; i++) array[i] = value;
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return array;
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}
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}
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#endif
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