Function is_ascii_letter_or_digit

test-app/runtime/src/main/cpp/ada/ada.cpp:10407–10410

}

constexpr bool is_ascii_letter_or_digit(char32_t c) noexcept {
  return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
         (c >= '0' && c <= '9');
}

bool valid_name_code_point(char32_t code_point, bool first) {
  // https://tc39.es/ecma262/#prod-IdentifierStart