Use gsl::narrow in heap.cpp #713
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Actionable comments posted: 2
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📒 Files selected for processing (2)
- src/crab_utils/heap.hpp (3 hunks)
- src/crab_utils/stats.cpp (1 hunks)
🔇 Additional comments (8)
src/crab_utils/stats.cpp (3)
16-16: LGTM! Consistent with previous change.This change aligns with the modification in the previous line, removing the
crab::namespace prefix fromlazy_allocator. The same considerations mentioned in the previous comment apply here as well.
15-16: Summary: Changes improve code readability.The modifications to remove the
crab::namespace prefix fromlazy_allocatorare consistent and improve code readability. These changes don't alter the functionality of theCrabStatsclass.As a final step, please ensure that all necessary headers are included and that the code compiles successfully after these changes.
Run the following script to verify successful compilation:
#!/bin/bash # Description: Verify successful compilation # Test: Attempt to compile the file echo "Attempting to compile src/crab_utils/stats.cpp:" g++ -c src/crab_utils/stats.cpp -o /dev/null
15-15: LGTM! Verifylazy_allocatorinclusion.The removal of the
crab::namespace prefix simplifies the code. However, please ensure thatlazy_allocatoris properly included or defined in the current scope.Run the following script to verify the
lazy_allocatordefinition:src/crab_utils/heap.hpp (5)
26-27: LGTM: Necessary inclusion for safe integer conversions.The addition of
#include <gsl/narrow>is appropriate as it provides access togsl::narrowandgsl::narrow_castfunctions, which are used later in the code for safe integer conversions. This change aligns well with the PR objective of usinggsl::narrow.
91-92: LGTM: Improved type safety in bounds checking.The use of
gsl::narrow_casthere enhances type safety by providing a checked conversion frominttosize_t. This is an appropriate use ofnarrow_castas it's used in a bounds check where throwing an exception for a failed narrowing would be undesirable.
94-95: LGTM: Enhanced type safety in index bounds checking.The use of
gsl::narrow_casthere improves type safety by providing a checked conversion frominttosize_t. This is an appropriate use ofnarrow_castas it's used in an assertion where throwing an exception for a failed narrowing would be redundant.
111-113: LGTM: Improved logic in insert method.The adjustment in the order of operations is correct. By moving the
indices[n] = size;line after the size check and resize operation, it ensures thatindicesis properly resized before accessingindices[n]. This change prevents potential out-of-bounds access and improves the overall robustness of theinsertmethod.
Line range hint
1-132: Summary: Excellent improvements in type safety and code clarity.This PR successfully achieves its objective of incorporating
gsl::narrowandgsl::narrow_castto enhance type safety in integer conversions. The changes made to theHeapclass implementation are well-thought-out and contribute to a more robust and safer codebase. Key improvements include:
- Proper inclusion of the necessary header for GSL narrow functions.
- More descriptive template parameter naming.
- Safe integer conversions in various methods using appropriate GSL narrow functions.
- Improved logic in the
insertmethod to prevent potential out-of-bounds access.These modifications align well with best practices for C++ programming and demonstrate a commitment to code quality and safety.
Signed-off-by: Elazar Gershuni <[email protected]>
Signed-off-by: Elazar Gershuni <[email protected]>
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Actionable comments posted: 5
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📒 Files selected for processing (2)
- src/crab_utils/heap.hpp (3 hunks)
- src/crab_utils/stats.cpp (1 hunks)
🔇 Additional comments (3)
src/crab_utils/stats.cpp (1)
16-16: LGTM! Consistent with previous change.This change is consistent with the removal of the
crab::namespace prefix in the previous line, maintaining code style consistency throughout the file.src/crab_utils/heap.hpp (2)
85-90: Appropriate use of[[nodiscard]]attribute onsize()andempty()methodsApplying the
[[nodiscard]]attribute to thesize()andempty()methods is a good practice as it encourages callers to consider the return values, which are critical for controlling flow and ensuring correct behavior.
114-116: Ensure consistency after resizingindicesAfter correcting the condition in the
insertmethod, verify thatindicesis properly resized and that all subsequent operations onindices[n]are valid. This ensures that the heap maintains its integrity and that all indices are correctly tracked.Run the following script to confirm that
indiceshas sufficient size:
Signed-off-by: Elazar Gershuni <[email protected]>
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