in lib/builtin.js [681:693]
sort(ast) {
const order = _string(ast.args[0].value);
if(order.toLowerCase() === 'asc') {
this.generator.emit('sort(');
} else if(order.toLowerCase() === 'desc'){
this.generator.emit('rsort(');
} else {
throw Error('un-impelemented');
}
this.getInstanceName(ast);
this.generator.emit(')');
}