Method copy_from_unchecked

core/string/ustring.cpp:207–212

}

void String::copy_from_unchecked(const char32_t *p_char, const int p_length) {
	resize_uninitialized(p_length + 1); // + 1 for \0
	char32_t *dst = ptrw();
	memcpy(dst, p_char, p_length * sizeof(char32_t));
	*(dst + p_length) = _null;
}

String String::operator+(const String &p_str) const {
	String res = *this;