Issues

• Boost 1.91: warning C4702: unreachable code

  boostorg/optional#147 · Filter by author x1sc0 opened on Apr 27, 2026
  1

• Boost. 1.91.0 regression: optional<bool> copy constructor broken

  bug
  Bug

  boostorg/optional#146 · Filter by author MarcelRaad opened on Apr 23, 2026
  1

• [Idea] boost::optional::map for void f(...)

  boostorg/optional#140 · Filter by author mknaleczb opened on May 25, 2025

• CMake tests fail

  boostorg/optional#138 · Filter by author pdimov opened on Oct 17, 2024
  1

• Implement the range interface for optional

  boostorg/optional#131 · Filter by author akrzemi1 opened on Sep 9, 2024
  3

• CI test on Microsoft Windows

  boostorg/optional#121 · Filter by author sdarwin opened on Jan 3, 2024
  1

• Cannot return non_const reference to contained value for uninitialized optional variable type.

  boostorg/optional#111 · Filter by author robertramey opened on Sep 5, 2023
  2

• optimization for trivial T's

  enhancement
  boostorg/optional#105 · Filter by author akrzemi1 opened on Sep 6, 2022

• Why is the ctor of optional<T&> explicit?

  boostorg/optional#99 · Filter by author ImplOfAnImpl opened on Nov 24, 2021
  6

• Missing #include's for in_place_factory when compiling for CUDA with clang

  boostorg/optional#97 · Filter by author jzmaddock opened on Sep 27, 2021
  6

• implicit constructor not working

  boostorg/optional#95 · Filter by author vinniefalco opened on Sep 5, 2021
  12

• unqualified call to get<T> with a non-boost::optional type should not match

  bug
  boostorg/optional#90 · Filter by author Kojoley opened on Feb 27, 2021
  1

• Use std::invoke for monadic interface

  boostorg/optional#81 · Filter by author ghost opened on Jan 24, 2020

• Massive compilation time degradation when upgrading to libBoost 1.68

  boostorg/optional#76 · Filter by author PiotrZSL opened on Nov 26, 2019
  6

• Broken backward compability: libBoost 1.66 -> libBoost 1.67

  boostorg/optional#74 · Filter by author PiotrZSL opened on May 18, 2019
  1

• optional<const string &>::value_or returns reference to temp

  boostorg/optional#68 · Filter by author GranBurguesa opened on Jan 22, 2019
  3

• serialization for boost/optional

  boostorg/optional#66 · Filter by author robertramey opened on Dec 18, 2018
  5

• "inline" linkage necessary

  boostorg/optional#65 · Filter by author aaron-michaux opened on Nov 21, 2018
  6

• optional no longer compiles when BOOST_OPTIONAL_CONFIG_USE_OLD_IMPLEMENTATION_OF_OPTIONAL is defined

  bug
  boostorg/optional#57 · Filter by author akrzemi1 opened on Jul 11, 2018
  2

• optional is "is_copy_constructible" when T is not.

  boostorg/optional#54 · Filter by author biocomp opened on May 10, 2018
  2

• Add rvalue ref overload for get()

  boostorg/optional#51 · Filter by author akrzemi1 opened on Mar 23, 2018