!7

sclass Entry {
  S text;
}

module ELERewrites > DynObjectTable<Entry> {
  transient S input;
  transient Set<S> rewrites = ciSet();
  
  start { ele_onInput(lambda1 setInput); }
  
  // API
  
  void setInput(S input) enter {
    dm_q(r {
      if (setField(+input))
        clearRewrites();
    });
  }
  
  void clearRewrites() {
    rewrites.clear();
    clear();
  }
  
  void addRewrite(S input, S text) q {
    if (eq(input, ELERewrites.this.input) && rewrites.add(text))
      add(nu Entry(+text));
  }
}

Began life as a copy of #1026531