interpreter/index.js
function postSequence(elems, fin) {
    // Treat the final value of a sequence as its return value
    var toReturn = elems[elems.length - 1];
    return fin(null, toReturn);
}
function postSequence(elems, fin) {
    // Treat the final value of a sequence as its return value
    var toReturn = elems[elems.length - 1];
    return fin(null, toReturn);
}
function postSequence ( elems , fin ) { // Treat the final value of a sequence as its return value var toReturn = elems [ elems . length - 1 ] ; return fin ( null , toReturn ) ; }
Fire this function after completing a sequence of lists
Fire this function after completing a sequence of lists