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#pragma once
#include "nes/common/containers/span.hh"
#include "nes/common/types.hh"
namespace nes
{
/// Non-owning view into a (not necessarily null-terminated) string.
class string_view
{
span<char const> data_;
public:
explicit string_view() = default;
explicit string_view(span<char const>);
explicit string_view(char const* data, u32 length);
string_view(char const* c_string);
using iterator = span<char const>::iterator;
auto operator[](u32 const index) const -> char { return data_[index]; }
auto get_span() const -> span<char const> { return data_; }
auto get_data() const -> char const* { return data_.get_data(); }
auto get_length() const -> u32 { return data_.get_length(); }
auto is_empty() const -> bool { return get_length() == 0; }
auto begin() const -> iterator { return data_.begin(); }
auto end() const -> iterator { return data_.end(); }
// String helpers
auto get_first() const -> char;
auto get_last() const -> char;
auto contains(char) const -> bool;
auto substring(u32 first) const -> string_view;
auto substring(u32 first, u32 length) const -> string_view;
};
auto operator==(string_view, string_view) -> bool;
auto operator!=(string_view, string_view) -> bool;
} // namespace nes
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