common: common_funcs: Add Size helper function.

This commit is contained in:
bunnei 2021-04-01 23:04:54 -07:00
parent 66f2ad716b
commit 02c2b28cd0
1 changed files with 15 additions and 0 deletions

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@ -136,4 +136,19 @@ namespace Common {
return u32(a) | u32(b) << 8 | u32(c) << 16 | u32(d) << 24; return u32(a) | u32(b) << 8 | u32(c) << 16 | u32(d) << 24;
} }
// std::size() does not support zero-size C arrays. We're fixing that.
template <class C>
constexpr auto Size(const C& c) -> decltype(c.size()) {
return std::size(c);
}
template <class C>
constexpr std::size_t Size(const C& c) {
if constexpr (sizeof(C) == 0) {
return 0;
} else {
return std::size(c);
}
}
} // namespace Common } // namespace Common