29:I[49813,["/_next/static/chunks/3z--bwudlglfp.js","/_next/static/chunks/2u04xn-9yg2co.js","/_next/static/chunks/1b5-8ftwqgmtb.js","/_next/static/chunks/3nqo6bdos11l6.js","/_next/static/chunks/0fz0mlrjifmq7.js","/_next/static/chunks/2l43yyot7shmw.js","/_next/static/chunks/29v1ttach42xh.js","/_next/static/chunks/2ziic7alkvd8r.js","/_next/static/chunks/1hplpmn3-d0tx.js"],"CodeWorkspace"] 2a:T1ab9,/** * Copyright (c) 2011-2026 libbitcoin developers * * This file is part of libbitcoin. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #ifndef LIBBITCOIN_SYSTEM_DATA_ARRAY_CAST_HPP #define LIBBITCOIN_SYSTEM_DATA_ARRAY_CAST_HPP #include #include /// C++20: std::bit_cast is a copy, not a cast, these are true casts. /// True casts (not projections) of arrays, with total size and element /// size constraints to preclude referencing fractional elements. A const /// reference parameter returns a const array reference, non-const returns /// a non-const array reference, and an rvalue array parameter returns a cast /// instance. These enable C/pointer-style performance (no copies) with full /// type safety at no cost (reinterpret_cast does not compile to any CPU /// instructions). /// Only arrays of integrals (or arrays of arrays of integrals) may currently /// be cast (constrained by the size_of() typelet). Overloads to this function /// alone can enable array-casting other types. Use byte_cast for casting /// integrals to/from arrays of single byte types. namespace libbitcoin { namespace system { /// Sequence generation. /// --------------------------------------------------------------------------- /// Generate array sequence from [0..sub1(Size)] of Integer. template consteval std_array to_sequence() NOEXCEPT; /// Non-function alias for to_sequence(). template constexpr std_array sequence = to_sequence(); /// Array casting helpers. /// --------------------------------------------------------------------------- /// portional (for narrowing constraint) template constexpr bool is_portional(size_t to_count, size_t from_count) NOEXCEPT; template using if_portional = bool_if(ToCount, FromCount)>; /// proportional (for non-narrowing constrained size deduction) template constexpr bool is_proportional(size_t from_count) NOEXCEPT; template using if_proportional = bool_if(FromCount)>; template = true> constexpr size_t proportion = (FromCount * size_of()) / size_of(); /// Cast array(T1)& to same-sized array(T2)&. /// --------------------------------------------------------------------------- /// Casting fractional portions of element T1 is precluded by "proportion". template inline std_array>& array_cast(std_array& values) NOEXCEPT; template inline const std_array>& array_cast(const std_array& values) NOEXCEPT; template inline std_array> array_cast(std_array&& values) NOEXCEPT; /// Cast array(T1)& to not-greater-sized array(T2, Size)&, with offsetting. /// --------------------------------------------------------------------------- /// Casting fractional portions of element T1 is precluded by "if_portional". /// Portional if ToCount*ToSize is <= (FromCount - FromOffset)*FromSize. template = true, if_portional = true> inline std_array& array_cast(std_array& values) NOEXCEPT; template = true, if_portional = true> inline const std_array& array_cast(const std_array& values) NOEXCEPT; template = true> inline std_array array_cast(std_array&& values) NOEXCEPT; /// Cast Integral1* to array(Integral2)&, defaults to singleton. /// --------------------------------------------------------------------------- /// Safe if byte count (Size) is correct. template = true, if_integral_integer = true> inline std_array& unsafe_array_cast(From* bytes) NOEXCEPT; template = true, if_integral_integer = true> inline const std_array& unsafe_array_cast(const From* bytes) NOEXCEPT; /// Cast Integral1* to array(array(Integral2), Size)&, defaults to singleton. /// --------------------------------------------------------------------------- /// Safe if byte count (Size) is correct. template = true, if_integral_array = true> inline std_array& unsafe_array_cast(From* bytes) NOEXCEPT; template = true, if_integral_array = true> inline const std_array& unsafe_array_cast(const From* bytes) NOEXCEPT; /// Cast Integral1* to a vector(array(Integral)&, count). /// --------------------------------------------------------------------------- template = true, if_integral_array = true> inline std_vector> unsafe_vector_cast(From* bytes, size_t count) NOEXCEPT; template = true, if_integral_array = true> inline std_vector> unsafe_vector_cast(const From* bytes, size_t count) NOEXCEPT; } // namespace system } // namespace libbitcoin #include #endif 12:["$","$L29",null,{"project":{"id":"cmuidb72x000001s1932ifphv","owner":"libbitcoin","repo":"libbitcoin-system","displayName":"libbitcoin/libbitcoin-system","defaultBranch":"master"},"commit":{"sha":"4f070c1f2115f81ad59206694fd75c772ddc1319","message":"Replace ecdsa capture parameter with unbatched verification method.","authorLogin":"evoskuil","authorName":"Eric 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