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Responses for exercises in Exercism.
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exercism/haskell/space-age/README.md

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Space Age

Welcome to Space Age on Exercism's Haskell Track. If you need help running the tests or submitting your code, check out HELP.md.

Instructions

Given an age in seconds, calculate how old someone would be on:

  • Mercury: orbital period 0.2408467 Earth years
  • Venus: orbital period 0.61519726 Earth years
  • Earth: orbital period 1.0 Earth years, 365.25 Earth days, or 31557600 seconds
  • Mars: orbital period 1.8808158 Earth years
  • Jupiter: orbital period 11.862615 Earth years
  • Saturn: orbital period 29.447498 Earth years
  • Uranus: orbital period 84.016846 Earth years
  • Neptune: orbital period 164.79132 Earth years

So if you were told someone were 1,000,000,000 seconds old, you should be able to say that they're 31.69 Earth-years old.

If you're wondering why Pluto didn't make the cut, go watch this youtube video.

In this exercise, we provided the definition of the algebric data type named Planet. You need to implement the ageOn function, that calculates how many years old someone would be on a Planet, given an age in seconds.

Your can use the provided signature if you are unsure about the types, but don't let it restrict your creativity:

ageOn :: Planet -> Float -> Float

Source

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Based on

Partially inspired by Chapter 1 in Chris Pine's online Learn to Program tutorial. - http://pine.fm/LearnToProgram/?Chapter=01