'Expand an anonymous snippet right here.'

@err_to_scratch_buffer.wrap
def expand_anon(self, value, trigger='', description='', options='', context=None, actions={}):

    before = _vim.buf.line_till_cursor
    snip = UltiSnipsSnippetDefinition(0, trigger, value, description, options, {}, '', context, actions)
    if ((not trigger) or snip.matches(before, self._visual_content)):
        self._do_snippet(snip, before)
        return True
    else:
        return False
