pango/pango-layout.go
func (v *Layout) SetText(text string, length int) {
	cstr := C.CString(text)
	defer C.free(unsafe.Pointer(cstr))
	C.pango_layout_set_text(v.native(), (*C.char)(cstr), (C.int)(length))
}
func (v *Layout) SetText(text string, length int) {
	cstr := C.CString(text)
	defer C.free(unsafe.Pointer(cstr))
	C.pango_layout_set_text(v.native(), (*C.char)(cstr), (C.int)(length))
}
//void           pango_layout_set_text       (PangoLayout    *layout,
//					    const char     *text,
//					    int             length);