Alternatives and similar repositories for spy

Users that are interested in spy are comparing it to the libraries listed below

• jbcoe / polymorphic_value
  A polymorphic value-type for C++
  ☆228Updated last year
• rollbear / lift
  constexpr C++17 library for simplifying higher order functions in application code
  ☆199Updated 2 years ago
• ned14 / quickcpplib
  Eliminate all the tedious hassle when making state-of-the-art C++ 14 - 23 libraries!
  ☆181Updated 3 months ago
• TartanLlama / function_ref
  A lightweight, non-owning reference to a callable.
  ☆177Updated 3 years ago
• TheLartians / EasyIterator
  🏃 Iterators made easy! Zero cost abstractions for designing and using C++ iterators.
  ☆144Updated 10 months ago
• boostorg / stl_interfaces
  A C++14 and later CRTP template for defining iterators
  ☆75Updated 3 weeks ago
• ConorWilliams / Threadpool
  Light, fast, threadpool for C++20
  ☆102Updated 2 years ago
• cor3ntin / rangesnext
  ranges features for c+23 ported to C++20
  ☆78Updated 2 years ago
• rollbear / dry-comparisons
  C++17 Utility classes for comparing multiple values in one simple expression
  ☆206Updated last year
• gnzlbg / static_vector
  A dynamically-resizable vector with fixed capacity and embedded storage
  ☆170Updated 4 years ago
• ThePhD / itsy_bitsy
  Bit containers, sequences, and views for everyone. 🕷️
  ☆128Updated 3 years ago
• jfalcou / kumi
  C++20 Compact Tuple Tools
  ☆54Updated 3 weeks ago
• tcsullivan / constexpr-to-string
  C++14 code to convert integers to strings at compile-time
  ☆120Updated 8 months ago
• alexpolt / luple
  Home to luple, nuple, C++ String Interning, Struct Reader and C++ Type Loophole
  ☆178Updated 6 years ago
• martinmoene / ring-span-lite
  ring-span lite - A C++yy-like ring_span type for C++98, C++11 and later in a single-file header-only library
  ☆161Updated 5 months ago
• kvasir-io / mpl
  Meta programming library designed for compilation speed.
  ☆171Updated 3 years ago
• TheLartians / StaticTypeInfo
  🏀 Up your type-game. A small C++ library for compile-time type names and type indices.
  ☆73Updated 3 years ago
• tcbrindle / NanoRange
  Range-based goodness for C++17
  ☆365Updated 4 years ago
• boostorg / leaf
  Lightweight Error Augmentation Framework
  ☆332Updated 3 weeks ago
• tcsullivan / ini-config
  C++20 single-header library for embedding INI configs
  ☆60Updated 2 years ago
• codeinred / tuplet
  A fast, simple tuple implementation that implements tuple as an aggregate
  ☆222Updated 11 months ago
• jbcoe / indirect_value
  An indirect value-type for C++
  ☆83Updated last year
• ClaasBontus / bitset2
  std::bitset with constexpr implementations plus additional features.
  ☆123Updated 2 years ago
• YarikTH / ureact
  Functional reactive programming library for c++
  ☆160Updated last year
• Thermadiag / seq
  The seq library is a collection of original C++14 STL-like containers and related tools
  ☆90Updated last month
• TartanLlama / generator
  Single-header, ranges-compatible generator type built on C++20 coroutines
  ☆66Updated 2 years ago
• DaemonSnake / unconstexpr-cpp20
  C++20 implementation of mutable constexpr expressions
  ☆118Updated 4 years ago
• tzlaine / text
  What a c++ standard Unicode library might look like.
  ☆335Updated last year
• simonask / rx-ranges
  rx::ranges is a minimalist ranges library for C++17
  ☆128Updated 2 years ago
• ConorWilliams / ConcurrentDeque
  Fast, generalized, implementation of the Chase-Lev lock-free work-stealing deque for C++17
  ☆150Updated 4 years ago