rlp/endian.hpp

Namespaces

Name
rlp
rlp::endian

Functions

	Name
template <typename T > std::enable_if_t< is_unsigned_integral_v< T >, Bytes >	to_big_compact(const T & n)
template <typename T > std::enable_if_t< is_unsigned_integral_v< T >, DecodingResult >	from_big_compact(ByteView bytes, T & out)
Bytes	to_big_compact(const intx::uint256 & n)
DecodingResult	from_big_compact(ByteView bytes, intx::uint256 & out)

Functions Documentation

function to_big_compact

template <typename T >
std::enable_if_t< is_unsigned_integral_v< T >, Bytes > to_big_compact(
    const T & n
)

function from_big_compact

template <typename T >
std::enable_if_t< is_unsigned_integral_v< T >, DecodingResult > from_big_compact(
    ByteView bytes,
    T & out
)

function to_big_compact

Bytes to_big_compact(
    const intx::uint256 & n
)

function from_big_compact

DecodingResult from_big_compact(
    ByteView bytes,
    intx::uint256 & out
)

Source code

#ifndef RLP_ENDIAN_HPP
#define RLP_ENDIAN_HPP

#include "intx.hpp"
#include "common.hpp" // Use direct include
#include <type_traits> // Include for enable_if

namespace rlp::endian {

    // Function to convert an unsigned integral type to its big-endian compact byte representation.
    // SFINAE moved to return type (or a dummy template parameter if return type is complex)
    // Using trailing return type for cleaner SFINAE with std::enable_if_t
    template <typename T>
    auto to_big_compact(const T& n) noexcept -> std::enable_if_t<is_unsigned_integral_v<T>, Bytes>;

    // Function to convert a big-endian compact byte representation back to an unsigned integral type.
    template <typename T>
    auto from_big_compact(ByteView bytes, T& out) noexcept -> std::enable_if_t<is_unsigned_integral_v<T>, DecodingResult>;

    // Overload for uint256 using intx (no SFINAE needed here)
    Bytes to_big_compact(const intx::uint256& n) noexcept;
    DecodingResult from_big_compact(ByteView bytes, intx::uint256& out) noexcept;

} // namespace rlp::endian

#endif // RLP_ENDIAN_HPP

---

Updated on 2026-04-13 at 23:22:46 -0700