/* e.g. "he is called <a name>" =>

  he is called $1
    & $1 is (a name)

*/

sclass AngleBracketVarsToConditions {
  S main;
  new LS conditions;
  
  swappable S makeDollarVar() { ret main makeDollarVar(); }
  
  S go(S s) {
    LS tok = javaTokWithAngleBrackets(s);
    conditions.clear();
    for (int i : indicesOfAngleBracketVars(tok)) {
      S var = makeDollarVar();
      conditions.add(var + " is " + roundOpt(deAngleBracket(tok.get(i))));
      tok.set(i, var);
    }
    ret main = join(tok);
  }
}