cosmopolitan/libc/ohmyplus/vector.h

57 lines
1.1 KiB
C++

#ifndef COSMOPOLITAN_LIBC_OHMYPLUS_VECTOR_H_
#define COSMOPOLITAN_LIBC_OHMYPLUS_VECTOR_H_
#ifdef __cplusplus
extern "C" {
void __vector_reserve(size_t, size_t, intptr_t **, size_t *);
} /* extern c */
namespace std {
template <class T>
class vector {
public:
vector() : data_(NULL), size_(0), toto_(0) {
}
vector(size_t n) : data_(NULL), size_(n), toto_(0) {
VectorReserve(n);
}
size_t size() const {
return size_;
}
size_t capacity() const {
return toto_;
}
T &front() {
return data_[0];
}
T &back() {
return data_[size_ - 1];
}
void clear() {
size_ = 0;
}
void reserve(size_t n) {
VectorReserve(n);
}
void resize(size_t n) {
reserve((size_ = n));
}
bool empty() const {
return !size_;
}
T &operator[](size_t i) {
return data_[i];
}
private:
T *data_;
size_t size_;
size_t toto_;
void VectorReserve(size_t n) {
__vector_reserve(n, sizeof(T), (intptr_t **)&data_, &toto_);
}
};
}; /* namespace std */
#endif /* __cplusplus */
#endif /* COSMOPOLITAN_LIBC_OHMYPLUS_VECTOR_H_ */