Comments (3)
Ideally, sol would be integrated with std::expected
(or tl::expected
) so that the lamba could just return an expected<T, std::string>
and sol would handle the unwrapping and calling Lua's error
.
from sol2.
Hmm. I don't think sol has an error mechanism like that. And calling lua's error functions would not clean up any objects that sol has created I think as it would do longjmp.
What is the usecase? Why not use exception?
from sol2.
We have the same issue as our codebase has exceptions disabled.
One convoluted workaround is to return a string with the error message and call error
on the Lua side if the result is a string.
from sol2.
Related Issues (20)
- Custom module loaders not working? HOT 1
- A const C++ container can be modified in Lua (want it to be truly const)
- Compilation Error when Member Variables set in new_usertype. HOT 1
- A bunch of errors when using usertypes HOT 1
- Is it possible to have out params / replace type and data referenced by sol::object? HOT 2
- Passing nil as userdata to C++ to reset a variable HOT 3
- On MSVC std::filesystem::path cannot be used as Lua type HOT 1
- Crash during destruction when using meta_function::new_index and coroutines
- Accessing table field with the wrong user type causes a segmentation fault
- Cannot directly bind b2Vec2 to a table entry HOT 1
- SOL_BASE_CLASSES / SOL_DERIVED_CLASSES should be mentioned in the documentation
- Generating definition files
- Why sol3 is slower than Luabridge3 when both using LuaJIT, HOT 1
- add_package_loader without lua_CFunction
- Handling opaque C pointers
- confusing behaviour of environments for lua > 5.2 HOT 1
- Error in emplace method
- const correctness of C++ object passed to sol::protected_function
- Using libraries which add searchers/loaders from C++ HOT 1
- Preserving ordering in sol2 tables and converting to ordered JSON HOT 2
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from sol2.