example.js 759 B

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  1. var fs = require('fs');
  2. var Result = require('./');
  3. // If you want async just get a promise or something.
  4. var readFile = function (path, encoding) {
  5. try {
  6. return Result.Ok(fs.readFileSync(path, encoding))
  7. }
  8. catch (ex) {
  9. return Result.Err(ex)
  10. }
  11. }
  12. var result = readFile(__filename);
  13. var v, err;
  14. if (Result.isOk(result)) {
  15. v = Result.Ok(result);
  16. console.log('got ' + v.length + ' bytes')
  17. }
  18. else if (Result.isErr(result)) {
  19. err = Result.Err(result);
  20. console.error('oops!', err.message)
  21. }
  22. result = readFile(__filename + 'I do not exist')
  23. if (Result.isOk(result)) {
  24. v = Result.Ok(result)
  25. console.log('got ' + v.length + ' bytes')
  26. }
  27. else if (Result.isErr(result)) {
  28. err = Result.Err(result)
  29. console.error('oops!', err.message)
  30. }