On Sunday, January 5, 2025, Frederick Virchanza Gotham wrote:
consteval unsigned DoubleFactorial(unsigned const arg)
{
[constexpr arg : carg];
return 2u * Factorial<carg>::value;
}
Two possible alternative syntaxes:
consteval unsigned DoubleFactorial(unsigned const arg)
{
constexpr unsigned carg = [constexpr arg];
return 2u * Factorial<carg>::value;
}
consteval unsigned DoubleFactorial(constexpr unsigned arg)
{
return 2u * Factorial<arg>::value;
}