gistfile1.txt

node> var hw = require("./helloworld");
Error: /home/nate/test/build/default/helloworld.node: undefined symbol: _ZN10HelloWorld4s_ctE
    at Module._loadObjectSync (node.js:360:13)
    at Module.loadSync (node.js:336:12)
    at loadModule (node.js:283:14)
    at require (node.js:411:14)
    at cwdRequire (repl:27:10)
    at [object Context]:1:10
    at Interface.<anonymous> (repl:84:19)
    at Interface.emit (events:26:26)
    at Interface._ttyWrite (readline:281:12)
    at Interface.write (readline:123:30)