Creates a new GtkSourceFileLoader object. The contents is read from the
[class@File]'s location.
If not already done, call [method@File.set_location] before calling this constructor.
The previous location is anyway not needed, because as soon as the file loading begins,
the @buffer is emptied.
Creates a new GtkSourceFileLoader object. The contents is read from the [class@File]'s location.
If not already done, call [method@File.set_location] before calling this constructor. The previous location is anyway not needed, because as soon as the file loading begins, the @buffer is emptied.