numeric_parse.h

#ifndef SOURCEMETA_CORE_NUMERIC_PARSE_H
#define SOURCEMETA_CORE_NUMERIC_PARSE_H
 
#ifndef SOURCEMETA_CORE_NUMERIC_EXPORT
#include <sourcemeta/core/numeric_export.h>
#endif
 
#include <cstdint>  // std::int64_t, std::uint16_t, std::uint32_t, std::uint64_t
#include <optional> // std::optional
#include <string_view> // std::string_view
 
namespace sourcemeta::core {

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_double(const std::string_view input) noexcept -> std::optional<double>;

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_int64_t(const std::string_view input) noexcept
    -> std::optional<std::int64_t>;

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_int64_t(const std::string_view input, const int base) noexcept
    -> std::optional<std::int64_t>;

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_uint64_t(const std::string_view input) noexcept
    -> std::optional<std::uint64_t>;

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_uint32_t(const std::string_view input) noexcept
    -> std::optional<std::uint32_t>;

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_uint32_t(const std::string_view input, const int base) noexcept
    -> std::optional<std::uint32_t>;

SOURCEMETA_CORE_NUMERIC_EXPORT
auto to_uint16_t(const std::string_view input) noexcept
    -> std::optional<std::uint16_t>;
 
} // namespace sourcemeta::core
 
#endif