Bitcoin Core 29.99.0
P2P Digital Currency
hex_base.h
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1// Copyright (c) 2009-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#ifndef BITCOIN_CRYPTO_HEX_BASE_H
6#define BITCOIN_CRYPTO_HEX_BASE_H
7
8#include <span.h>
9
10#include <cstddef>
11#include <cstdint>
12#include <string>
13
17std::string HexStr(const std::span<const uint8_t> s);
18inline std::string HexStr(const std::span<const char> s) { return HexStr(MakeUCharSpan(s)); }
19inline std::string HexStr(const std::span<const std::byte> s) { return HexStr(MakeUCharSpan(s)); }
20
21signed char HexDigit(char c);
22
23#endif // BITCOIN_CRYPTO_HEX_BASE_H
signed char HexDigit(char c)
Definition: hex_base.cpp:63
std::string HexStr(const std::span< const uint8_t > s)
Convert a span of bytes to a lower-case hexadecimal string.
Definition: hex_base.cpp:29
constexpr auto MakeUCharSpan(const V &v) -> decltype(UCharSpanCast(std::span{v}))
Like the std::span constructor, but for (const) unsigned char member types only.
Definition: span.h:111