v9.0.1

What's Changed

• include missing sstream to stream by @ErniGH in #190

New Contributors

• @ErniGH made their first contribution in #190

Full Changelog: v9.0.0...v9.0.1

v9.0.0

Changes in a nutshell

• Drastic API changes
• Changed PascalCase to snake_case conventions
• Added various benchmarks
• Improved performance by reordering member variables in classes
• Iterators now potentially return sentinels instead of symmetric iterators
• Lots and lots of bug fixes
• Support with operator|
• More separation in header files
• Improved C++ 20 module support
• Improved compatibility for find_package
• Added stacktraces when debug assertions are fired
• Added libbacktrace when above is true for clang and linux
• Version bump fmt (v12)
• Added the option to enable/disable debug assertions in release/debug modes
• Added cpp-lazyConfig.cmake.in in the cpp-lazy_package.zip source release code
• Lots of new iterators
• Now using doctest for testing
• zip_longest_iterator::operator* now returns std::reference_wrapper if applicable
• Implemented common reference for iterators/iterables that require a parameter pack

What's Changed (generated)

• Update README.md by @Kaaserne in #154
• Please fix examples by @toge in #155
• cpp-lazy API revision by @Kaaserne in #156
• cpp-lazy API revision by @Kaaserne in #157
• Function rename & lz::BasicStringView improvements by @Kaaserne in #158
• cpp-lazy API revision by @Kaaserne in #159
• Added separate folder for iterators, renamed internal namespace to detail, added a few iterators by @Kaaserne in #160
• Created/implementation of lz::AnyView by @Kaaserne in #161
• Added IterBase by @Kaaserne in #162
• Fix for compile error when used with CPM by @adihodos in #163
• Fix possible dangling refences by @Kaaserne in #165
• Large API changes: snake_case, sentinel usage & removal of lz::join by @Kaaserne in #169
• cpp-lazy API revision by @Kaaserne in #170
• cpp-lazy API revision by @Kaaserne in #171
• Add conditional default constructors, homogeneous zip-like interfaces & as_iterator iterator by @Kaaserne in #172
• cpp-lazy API revision by @Kaaserne in #173
• Assertions & docs. Minor bug fixes by @Kaaserne in #174
• Module improvements & catch 3.9 by @Kaaserne in #175
• cpp-lazy API revision by @Kaaserne in #176
• Doctest by @Kaaserne in #177
• Pairwise iterator, compile time improvements by @Kaaserne in #178
• cpp-lazy API revision by @Kaaserne in #179
• cpp-lazy API revision by @Kaaserne in #180
• cpp-lazy API revision by @Kaaserne in #181
• Remove fmtPICFix and add cmake to build essentials zip by @Kaaserne in #182
• Change CPP-LAZY to CPP_LAZY in CMakeLists; able to use version in find_package for fmt by @Kaaserne in #183
• Add 'd' debug postfix for module builds & add DEPENDS on make package by @Kaaserne in #185
• Add more slick packaging step(s) by @Kaaserne in #186
• add pkg config file by @Kaaserne in #187

The last releases were sloppy. I plan to improve that.

New Contributors

• @toge made their first contribution in #155
• @adihodos made their first contribution in #163

Full Changelog: v8.0.1...v9.0.0

v8.0.1

Various CMake fixes & STANDALONE issue

v8.0.0

What's Changed

• Partial module support - GenerateWhile iterator by @MarcDirven in #147
• Test update Catch2 by @MarcDirven in #148
• Removed security issue by @MarcDirven in #149
• Exclusive scan iterator & code improvements by @MarcDirven in #150
• Inclusive scan by @MarcDirven in #151
• Removed type alias in template by @MarcDirven in #152
• forEachWhile & CI fix by @MarcDirven in #153

Full Changelog: v7.0.2...v8.0.0

v7.0.2

Fixed various compiler errors & macro's. Added support for xmake.

v6.0.0

• Added CString and ZipLongest includes in Lz.hpp
• StringSplitter now returns lz::CString if LZ_STANDALONE is defined and std::string_view isn't (3f5f178)
• Fixed ifndef guards (c9b68db)
• Function rename from toIterRange to -> chainRange (5a1f487)

CString Iterator & ZipLongest iterator

This release, two new iterators have been released:

• Zip longest, used to iterate over multiple containers, and stops when the longest container is at its end. If C++17, it uses std::optional, otherwise, it uses an internal optional, with the same syntax & basic functions as std::optional, so breaking changes are prevented when upgrading to C++17.
• C String, used to iterate over a C style string, without having to know its length.

Also a few functions were missing documentation which is now fixed.

5.0.1 (CMake improvements)

CMake has a new target. This target is run when a new release is released. It only selects the bare essentials, that is: headers, LICENSE and CMakeLists.txt and zips this. The zip will be called cpp-lazy-src.zip, and can be downloaded and configured as follows:

# Uncomment this line to use the cpp-lazy standalone version
# set(CPP-LAZY_USE_STANDALONE TRUE)

include(FetchContent)
FetchContent_Declare(cpp-lazy
        URL https://github.com/MarcDirven/cpp-lazy/releases/download/<TAG_HERE E.G. 5.0.1>/cpp-lazy-src.zip
        # Below is optional
        # URL_MD5 <MD5 HASH OF cpp-lazy.zip>
        # If using CMake >= 3.24, preferably set <bool> to TRUE
        # DOWNLOAD_EXTRACT_TIMESTAMP <bool>
)
FetchContent_MakeAvailable(cpp-lazy)

add_executable(${PROJECT_NAME} main.cpp)
target_link_libraries(${PROJECT_NAME} cpp-lazy::cpp-lazy)

This is great because:

• It no longer downloads files you won't need
• Therefore, it's a smaller directory
• It doesn't pollute the CMake build directory with examples, tests, benchmarks etc...

Also, downloading the library {fmt} also has become a bit faster, since it doesn't use git clone anymore. Instead it uses a faster alternative.

• Fixed a compiler error where zipping with lz::zip(list, vector) didn't compile.

5.0.0

• lz::viewRange is now lz::view
• lz::toIter is now lz::chain
• lz::rotate is now std::bidirectional_iterator_tag at its best
• std::format is now std::vformat
• fmt::format now uses fmt::runtime if C++20 or higher and if {fmt} >= 9.0.0
• {fmt} version bump to 9.0.0
• Removed constexpr from lz::JoinWhereIterator because std::mutex is used
• lz::enumerate is now std::forward_iterator_tag if the iterator passed is std::bidirectional_iterator_tag or lower, still std::random_access_iterator_tag otherwise.
• Removed all custom lz::next and lz::distance implementations
• Added fmt::formatter for all lz iterators
• lz::take, lz::drop and lz::slice are deleted, use lz::view instead using operator+ or std::next (see examples Take.cpp)
• Fixed various #includes
• Removed lz::back implementation where iterator tag = std::forward_iterator_tag.
• lz::valuesRange is now lz::values, this also counts for lz::keysRange
• lz::cartesian no longer is std::random_access_iterator_tag by default
• If the input iterator in lz::zip is bidirectional, ZipIterator will be a forward iterator

Format specifier & fmt 8 support

• A new parameter has been added to join, strJoin and toString() to specify the {fmt} formatting rules. A default value of "{}" is given, so no syntactic changes. Example:

std::array<double, 4> array = {1.12, 1.12, 1.12, 1.12};
auto str = lz::strJoin(array, ", ", "{:.1f}");
// str == "1.1, 1.1, 1.1, 1.1"

// or
for (std::string s : lz::join(array, ", ", "{:.1f}") {
    // do something with s
}

• Added extra to<> overload, that enables: to<std::list<int>>(args...) instead of just to<std::list>(args...).
• Reduced symbol sizes by if constexpr and enable if
• Removed reference from reference typedef in lz::range
• Added std::decay in to<> container type, which would normally cause a compile error
• Fixed CMake lz standalone issues
• Fixed a move that did not do anything 9ae8ec0
• {fmt} version 8 support
• Added member methods: copyTo and transformTo that copies/transforms the current view inside the given output iterator.