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// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "math-server" project.
// For details, see https://github.com/egor-tensin/math-server.
// Distributed under the MIT License.
#pragma once
#include "../token_type.hpp"
#include <optional>
#include <string_view>
namespace math::server::lexer::details {
// Exposed for testing:
std::string_view parse_whitespace(const std::string_view&);
std::optional<double> parse_number(const std::string_view&, std::string_view&);
std::optional<double> parse_number(const std::string_view&);
std::optional<token::Type> parse_const_token(const std::string_view&, std::string_view&);
std::optional<token::Type> parse_const_token(const std::string_view&);
}
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