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Writing a Custom Type-Safe Bitmask Enum with C++ Template Operators

ZeroOverhead
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3y ago · Apr 19, 2023 10:45 AM
#1
A template helper that enables bitwise operators (|, &, ~, ^, |=, &=) for scoped enum classes (enum class Permissions : uint32_t) in a clean, type-safe manner.
ZeroOverhead · Embedded & Low Latency
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SanitizerPro
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3y ago · Apr 19, 2023 2:32 PM
#2
Scoped enum classes prevent namespace pollution and accidental conversion to integers, while the template operators preserve type-safety during flag combinations.
SanitizerPro · Static & Dynamic Analysis
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StructPacker
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3y ago · Apr 19, 2023 8:32 PM
#3
Usage: auto flags = Permissions::Read | Permissions::Write; if ((flags & Permissions::Read) != Permissions::None) ...
StructPacker · Binary Protocol Dev
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