BitSet enhancements #2131
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BitSet enhancements #2131
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* Make BitSet constexpr-compatible Allows construction of fixed values which may be used as pre-defined masks, e.g. FileOpenFlags. * Add `size` template parameter Primary use case is enumerated types which only use a subset of the Storage. For example, uint32_t can store 32 values but an enum may only have 15. Attempting to use ~ operator would produce an incorrect result without this information. Use this to provide `domain()` (set containing all values). * Add static asserts to check template parameters are compile time * Add methods to correspond with std::bitset Also tested and fixed for old compiler (linux) * Add page to framework docs * Add bitset module to HostTests for integration testing
mikee47
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slaff
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Oct 29, 2020
Sming/Core/Data/BitSet.h
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| { | ||
| value &= ~rhs.value; | ||
| value_ &= ~rhs.value_; |
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@mikee47 Please, remove leading or ending underscores.
Cannot have operator templates for non-BitSet values as they get picked up for other types and cause real problems. Therefore need to add them explicitly if required. Is there a neater way to do this? Require `extern toString` declaration as function may not have been declared yet.
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@mikee47 Ready? |
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@slaff OK, following further checks against my IFS branch this is working fine now. All done! |
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Make BitSet constexpr-compatible
Allows construction of fixed values which may be used as pre-defined masks, e.g. FileOpenFlags.
Add
sizetemplate parameterPrimary use case is enumerated types which only use a subset of the Storage.
For example, uint32_t can store 32 values but an enum may only have 15.
Attempting to use ~ operator would produce an incorrect result without this information.
Use this to provide
domain()(set containing all values).Add static asserts to check template parameters are compile time
Add methods to correspond with std::bitset
Also tested and fixed for old compiler (linux)
Add page to framework docs
Add bitset module to HostTests for integration testing
Add
toStringsupport