{"id":61391,"library":"observer-ptr-lite","title":"observer-ptr-lite","description":"A C++17-like observer_ptr for C++98 and later in a single-file header-only library.","status":"active","version":"0.4.0","language":"cpp","source_language":null,"source_url":null,"tags":["header-only","smart-pointer","c++98","c++11","c++14","c++17"],"install":[{"cmd":"vcpkg install observer-ptr-lite","lang":"bash","label":"vcpkg"},{"cmd":"# CMakeLists.txt\nfind_package(observer_ptr_lite CONFIG REQUIRED)\ntarget_link_libraries(main PRIVATE observer-ptr-lite::observer-ptr-lite)","lang":"cmake","label":"CMake"}],"dependencies":[],"imports":[{"symbol":"nonstd/observer_ptr.hpp","correct":"#include <nonstd/observer_ptr.hpp>"}],"quickstart":{"code":"#include <nonstd/observer_ptr.hpp>\n#include <iostream>\n\nint main() {\n    int value = 42;\n    nonstd::observer_ptr<int> ptr(&value);\n    std::cout << *ptr << std::endl;\n    return 0;\n}","lang":"cpp","description":"Use observer_ptr to observe an object without ownership"},"warnings":[{"fix":"Use observer_ptr only for non-owning observation.","message":"observer_ptr does not manage ownership; ensure the observed object outlives the pointer.","severity":"gotcha","affected_versions":"*"}],"env_vars":null,"search_vec":"'+11':34 '+14':36 '+17':7,38 '+98':13,32 'c':6,12,31,33,35,37 'file':20 'header':22,26 'header-on':21,25 'later':15 'librari':24 'like':8 'lite':4 'observ':2,9 'observer-ptr-lit':1 'pointer':30 'ptr':3,10 'singl':19 'single-fil':18 'smart':29 'smart-point':28","created_at":"2026-06-17T04:48:46.150667+00:00","updated_at":"2026-06-17T04:48:46.150667+00:00","problems":[],"ecosystem":"vcpkg","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":null,"github":null,"docs":null,"changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}