xieite::num_digits()

`xieite::num_digits()`

Defined in header <xieite/math/num_digits.hpp>

Computes the number of digits in a number, in any integral radix.

Declaration

template<std::integral T>
[[nodiscard]] constexpr std::size_t num_digits(T n, T radix = 10) noexcept;

Example

int main() {
	xieite::dump(xieite::num_digits(12345));
	xieite::dump(xieite::num_digits(255, 16)); // FF
	xieite::dump(xieite::num_digits(341, 2)); // 101010101
}

Output:

5
2
9

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