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Blaine Motsinger 1a46d7c97f review comments 1 year ago
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README.md added raindrops exercise 1 year ago
cases_test.go added raindrops exercise 1 year ago
raindrops.go review comments 1 year ago
raindrops_test.go added raindrops exercise 1 year ago

README.md

Raindrops

Convert a number to a string, the contents of which depend on the number’s factors.

  • If the number has 3 as a factor, output ‘Pling’.
  • If the number has 5 as a factor, output ‘Plang’.
  • If the number has 7 as a factor, output ‘Plong’.
  • If the number does not have 3, 5, or 7 as a factor, just pass the number’s digits straight through.

Examples

  • 28’s factors are 1, 2, 4, 7, 14, 28.
    • In raindrop-speak, this would be a simple “Plong”.
  • 30’s factors are 1, 2, 3, 5, 6, 10, 15, 30.
    • In raindrop-speak, this would be a “PlingPlang”.
  • 34 has four factors: 1, 2, 17, and 34.
    • In raindrop-speak, this would be “34”.

No Stub

This may be the first Go track exercise you encounter without a stub: a pre-existing raindrops.go file for your solution. You may not see stubs in the future and should begin to get comfortable with creating your own Go files for your solutions.

One way to figure out what the function signature(s) you would need is to look at the corresponding *_test.go file. It will show you what the package level functions(s) should be that the test will use to verify the solution.

Running the tests

To run the tests run the command go test from within the exercise directory.

If the test suite contains benchmarks, you can run these with the --bench and --benchmem flags:

go test -v --bench . --benchmem

Keep in mind that each reviewer will run benchmarks on a different machine, with different specs, so the results from these benchmark tests may vary.

Further information

For more detailed information about the Go track, including how to get help if you’re having trouble, please visit the exercism.io Go language page.

Source

A variation on a famous interview question intended to weed out potential candidates. http://jumpstartlab.com

Submitting Incomplete Solutions

It’s possible to submit an incomplete solution so you can see how others have completed the exercise.