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maths: add unary 'max'

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This commit is contained in:
Danny Robson 2020-10-20 15:34:27 +10:00
parent 6b46852902
commit 928e2aa2d5
1 changed files with 13 additions and 1 deletions
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14
maths.hpp
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@ -573,7 +573,19 @@ namespace cruft {
} }
//------------------------------------------------------------------------- ///------------------------------------------------------------------------
/// Unary maximum provided to simplify application of max to template
/// parameter packs.
///
/// eg, `max (sizeof (T)...)` will otherwise fail with a single type.
template <concepts::integral ValueT>
constexpr decltype(auto)
max (ValueT &&val)
{
return std::forward<ValueT> (val);
}
/// Variadic maximum /// Variadic maximum
template <typename T, typename U, typename ...Args> template <typename T, typename U, typename ...Args>
constexpr std::enable_if_t< constexpr std::enable_if_t<