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617fbcfc1e
This commit includes the following changes:
* Don't provide make_copy_constructor for non-copyable container
make_copy_constructor currently fails for various stl containers (e.g.
std::vector, std::unordered_map, std::deque, etc.) when the container's
value type (e.g. the "T" or the std::pair<K,T> for a map) is
non-copyable. This adds an override that, for types that look like
containers, also requires that the value_type be copyable.
* stl_bind.h: make bind_{vector,map} work for non-copy-constructible types
Most stl_bind modifiers require copying, so if the type isn't copy
constructible, we provide a read-only interface instead.
In practice, this means that if the type is non-copyable, it will be,
for all intents and purposes, read-only from the Python side (but
currently it simply fails to compile with such a container).
It is still possible for the caller to provide an interface manually
(by defining methods on the returned class_ object), but this isn't
something stl_bind can handle because the C++ code to construct values
is going to be highly dependent on the container value_type.
* stl_bind: copy only for arithmetic value types
For non-primitive types, we may well be copying some complex type, when
returning by reference is more appropriate. This commit returns by
internal reference for all but basic arithmetic types.
* Return by reference whenever possible
Only if we definitely can't--i.e. std::vector<bool>--because v[i]
returns something that isn't a T& do we copy; for everything else, we
return by reference.
For the map case, we can always return by reference (at least for the
default stl map/unordered_map).
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| .. | ||
| CMakeLists.txt | ||
| conftest.py | ||
| constructor_stats.h | ||
| object.h | ||
| pybind11_tests.cpp | ||
| pybind11_tests.h | ||
| test_alias_initialization.cpp | ||
| test_alias_initialization.py | ||
| test_buffers.cpp | ||
| test_buffers.py | ||
| test_callbacks.cpp | ||
| test_callbacks.py | ||
| test_chrono.cpp | ||
| test_chrono.py | ||
| test_class_args.cpp | ||
| test_class_args.py | ||
| test_constants_and_functions.cpp | ||
| test_constants_and_functions.py | ||
| test_copy_move_policies.cpp | ||
| test_copy_move_policies.py | ||
| test_eigen.cpp | ||
| test_eigen.py | ||
| test_enum.cpp | ||
| test_enum.py | ||
| test_eval_call.py | ||
| test_eval.cpp | ||
| test_eval.py | ||
| test_exceptions.cpp | ||
| test_exceptions.py | ||
| test_inheritance.cpp | ||
| test_inheritance.py | ||
| test_issues.cpp | ||
| test_issues.py | ||
| test_keep_alive.cpp | ||
| test_keep_alive.py | ||
| test_kwargs_and_defaults.cpp | ||
| test_kwargs_and_defaults.py | ||
| test_methods_and_attributes.cpp | ||
| test_methods_and_attributes.py | ||
| test_modules.cpp | ||
| test_modules.py | ||
| test_multiple_inheritance.cpp | ||
| test_multiple_inheritance.py | ||
| test_numpy_array.cpp | ||
| test_numpy_array.py | ||
| test_numpy_dtypes.cpp | ||
| test_numpy_dtypes.py | ||
| test_numpy_vectorize.cpp | ||
| test_numpy_vectorize.py | ||
| test_opaque_types.cpp | ||
| test_opaque_types.py | ||
| test_operator_overloading.cpp | ||
| test_operator_overloading.py | ||
| test_pickling.cpp | ||
| test_pickling.py | ||
| test_python_types.cpp | ||
| test_python_types.py | ||
| test_sequences_and_iterators.cpp | ||
| test_sequences_and_iterators.py | ||
| test_smart_ptr.cpp | ||
| test_smart_ptr.py | ||
| test_stl_binders.cpp | ||
| test_stl_binders.py | ||
| test_virtual_functions.cpp | ||
| test_virtual_functions.py | ||