Function Str_concat

python/stringzilla.c:4934–4964

}

static PyObject *Str_concat(PyObject *self, PyObject *other) {
    struct sz_string_view_t self_str, other_str;

    // Validate and convert `self` and `other`
    if (!sz_py_export_string_like(self, &self_str.start, &self_str.length) ||
        !sz_py_export_string_like(other, &other_str.start, &other_str.length)) {
        wrap_current_exception("Both operands must be string-like");
        return NULL;
    }

    // Allocate a new Str instance
    Str *result_str = PyObject_New(Str, &StrType);
    if (result_str == NULL) { return NULL; }

    // Calculate the total length of the new string
    result_str->parent = NULL;
    result_str->memory.length = self_str.length + other_str.length;

    // Allocate memory for the new string
    result_str->memory.start = malloc(result_str->memory.length);
    if (result_str->memory.start == NULL) {
        PyErr_SetString(PyExc_MemoryError, "Unable to allocate memory for string concatenation");
        return NULL;
    }

    // Perform the string concatenation
    sz_copy(result_str->memory.start, self_str.start, self_str.length);
    sz_copy(result_str->memory.start + self_str.length, other_str.start, other_str.length);

    return (PyObject *)result_str;
}

static PySequenceMethods Str_as_sequence = {
    .sq_length = Str_len,   //