class Chronic::Separator

def self.scan(tokens)
  tokens.each_index do |i|
    if t = self.scan_for_commas(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_slash_or_dash(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_at(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_in(tokens[i]) then tokens[i].tag(t); next end
    if t = self.scan_for_on(tokens[i]) then tokens[i].tag(t); next end
  end
  tokens
end