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Collection of ktl header libraries - small C++20 wrapper utilities

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KTL

A lightweight set of utility headers written in C++20.

Usage

Requirements

  • CMake
  • C++20 compiler (and stdlib)

Steps

  1. Clone repo to appropriate subdirectory, say ktl
  2. Add library to project via: add_subdirectory(ktl) and target_link_libraries(foo ktl::ktl)
  3. Use desired headers via #include <ktl/header.hpp>

Headers

async/async_queue.hpp

FIFO queue with thread safe "sleepy" API.

Features:

  • Policy customization
  • Multiple queues
  • Thread-safe push-and-notify (to any desired queue)
  • Thread-safe wait-and-pop (from first of any desired queues)
  • Clear all queues and return residue
  • Deactivate all queues (as secondary wait condition)

async/kfuture.hpp

Async operation / shared state wrappers, with .then() support.

async/kfunction.hpp

Callable wrapper that cannot be copied, only moved. Used in kpackaged_task and kfuture.

async/kthread.hpp

std::thread wrapper that joins on destruction / move, and supports stop_t tokens.

async/kmutex.hpp

Basic and strict wrappers for a T and its (mutable) mutex, stdlib RAII lock types.

async/shared_kmutex.hpp

Aliases of tmutex with std::shared_mutex.

enum_flags/enum_flags.hpp

Wrapper around an integral type used as bit flags.

enum_flags/bitflags.hpp

Free functions for working with integral bit flags.

byte_array.hpp

Lightweight, resizeable wrapper over std::unique_ptr<std::byte[]>.

debug_trap.hpp

x86/x64 debugger trap/break.

delegate.hpp

Tagged observer store with RAII signals.

either.hpp

RAII union of two types.

enumerate.hpp

Wrapper for indexed iteration over ranges represented by pairs of iterators.

expected.hpp

Union of expected and unexpected types; uses either.hpp.

fifo_map.hpp

First-In First-Out map.

fixed_any.hpp

Fixed-size type erased storage.

fixed_vector.hpp

Fixed-size vector-like container using bytearray as storage.

hash_table.hpp

Lightweight hash-table with open addressing and reduced iterator stability.

kformat.hpp

Lightweight fmt-like std::string interpolation with basic formatting support.

kunique_ptr.hpp

Lightweight unique pointer to heap-allocated Type*.

kversion.hpp

Semantic version.

monotonic_map.hpp

Wrapper over an (un)ordered map that associates each T with a unique RAII handle which can be used to unregister the instance.

n_tree.hpp

Models a "forward" N-tree (no parent link) via std::forward_list.

not_null.hpp

Wrapper for raw / smart pointers that is restricted from being null.

ring_buffer.hpp

Rotating ring-buffer using contiguous storage (std::vector<T> by default). Overwrites on overflow.

ring_counter.hpp

Fixed-size rotating integral counter. Supports increment/decrement.

Contributing

Pull/merge requests are welcome.

Original Repository