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include missing sstream to stream#190

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Kaaserne merged 1 commit into
Kaaserne:masterfrom
ErniGH:erni/fix-stream-missing-sstream-include
Feb 2, 2026
Merged

include missing sstream to stream#190
Kaaserne merged 1 commit into
Kaaserne:masterfrom
ErniGH:erni/fix-stream-missing-sstream-include

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@ErniGH

@ErniGH ErniGH commented Jan 28, 2026

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The type std::ostringstream is included in the sstream class: https://en.cppreference.com/w/cpp/io/basic_ostringstream.html

stream.hpp uses this type without including the standar header:

cpp-lazy/include/Lz/stream.hpp

Line 289 in ac1280f

std::ostringstream oss;

This is generating me the next error:

...
FAILED: [code=1] CMakeFiles/test_package.dir/test_package.cpp.o 
/usr/bin/c++ -DCPP_LAZY_9_0_0_NEWER -isystem /Users/ernesto/.conan2/p/b/cpp-l1b5e6b4172af6/p/include -stdlib=libc++ -O3 -DNDEBUG -std=gnu++20 -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.sdk -mmacosx-version-min=13.0 -MD -MT CMakeFiles/test_package.dir/test_package.cpp.o -MF CMakeFiles/test_package.dir/test_package.cpp.o.d -o CMakeFiles/test_package.dir/test_package.cpp.o -c /Users/ernesto/Documents/GitHub/conan-center-index/recipes/cpp-lazy/all/test_package/test_package.cpp
In file included from /Users/ernesto/Documents/GitHub/conan-center-index/recipes/cpp-lazy/all/test_package/test_package.cpp:6:
/Users/ernesto/.conan2/p/b/cpp-l1b5e6b4172af6/p/include/Lz/stream.hpp:289:28: error: implicit instantiation of undefined template 'std::basic_ostringstream<char>'
  289 |         std::ostringstream oss;
      |                            ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.sdk/usr/include/c++/v1/__fwd/sstream.h:28:28: note: template is declared here
   28 | class _LIBCPP_TEMPLATE_VIS basic_ostringstream;
      |                            ^
1 error generated.
ninja: build stopped: subcommand failed.

@ErniGH ErniGH mentioned this pull request Jan 28, 2026
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@Kaaserne

Kaaserne commented Jan 28, 2026 •
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Looks like the pipeline has some issues. I'll look into these Sunday probably. Am on vacation right now. Thanks for the PR. Looks like the doctest URL is invalid, which is quite funny, cause I remembering having this issue but fixed it at the time. I think the CMake variable is named differently than referenced in the doctest URL in fetchcontent

@Kaaserne

Kaaserne commented Feb 2, 2026

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Pipeline issues are unrelated and aren't working because of how repository variables work. Should think of something more streamlined for that.

@Kaaserne Kaaserne merged commit 9971593 into Kaaserne:master Feb 2, 2026
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@BrewTestBot BrewTestBot mentioned this pull request Feb 3, 2026
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@ErniGH @Kaaserne