lib/trace.js
function booleanEnvTrace(condition) {
    var conditionObj = parseCondition(condition);

    if (conditionObj.negate)
      return traceCondition(conditionalComplement(condition), false);
    else
      return traceCondition(condition, true);
  }
function booleanEnvTrace(condition) {
    var conditionObj = parseCondition(condition);

    if (conditionObj.negate)
      return traceCondition(conditionalComplement(condition), false);
    else
      return traceCondition(condition, true);
  }
function booleanEnvTrace ( condition ) { var conditionObj = parseCondition ( condition ) ; if ( conditionObj . negate ) return traceCondition ( conditionalComplement ( condition ) , false ) ; else return traceCondition ( condition , true ) ; }
whether or not to include condition branch given our conditionalEnv
whether or not to include condition branch given our conditionalEnv