Function is_ascii_digit

test-app/runtime/src/main/cpp/ada/ada.cpp:10744–10748

}

ada_really_inline constexpr bool is_ascii_digit(const char c) noexcept {
  // An ASCII digit is a code point in the range U+0030 (0) to U+0039 (9),
  // inclusive.
  return (c >= '0' && c <= '9');
}

ada_really_inline constexpr bool is_ascii(const char32_t c) noexcept {
  // If code point is between U+0000 and U+007F inclusive, then return true.