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[clangd][nfc] Give name to a magic constant 

llvm-svn: 327901
This commit is contained in:
Jan Korous 2018-03-19 20:26:15 +00:00
parent 426885b10c
commit ee1f4586f6
1 changed files with 4 additions and 2 deletions
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6
clang-tools-extra/clangd/index/Index.h
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@ -56,16 +56,18 @@ public:
}
private:
static constexpr unsigned HashByteLength = 20;
friend llvm::hash_code hash_value(const SymbolID &ID) {
// We already have a good hash, just return the first bytes.
static_assert(sizeof(size_t) <= 20, "size_t longer than SHA1!");
static_assert(sizeof(size_t) <= HashByteLength, "size_t longer than SHA1!");
return *reinterpret_cast<const size_t *>(ID.HashValue.data());
}
friend llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
const SymbolID &ID);
friend void operator>>(llvm::StringRef Str, SymbolID &ID);
std::array<uint8_t, 20> HashValue;
std::array<uint8_t, HashByteLength> HashValue;
};
// Write SymbolID into the given stream. SymbolID is encoded as a 40-bytes