Function qt_gui::swap_2_q_text_block_format

pub unsafe fn swap_2_q_text_block_format(
    value1: impl CastInto<Ref<QTextBlockFormat>>, 
    value2: impl CastInto<Ref<QTextBlockFormat>>
)

Calls C++ function: void swap(QTextBlockFormat& value1, QTextBlockFormat& value2).