🗓️ Day 18Thursday, 25 August 2022 - Day 18 of Exhort August 2022 - Exercism (My Elixir Journey)
Exercises
Captain's Log
Exercise on Exercism | View my solution
Solution
Expand to see code (spoiler alert)
Copy defmodule CaptainsLog do
@planetary_classes [ "D" , "H" , "J" , "K" , "L" , "M" , "N" , "R" , "T" , "Y" ]
@spec random_planet_class () :: String . t ()
def random_planet_class () , do: Enum . random (@planetary_classes)
@spec random_ship_registry_number () :: String . t ()
def random_ship_registry_number () , do: "NCC- #{ Enum . random ( 1000 .. 9999 )} "
@spec random_stardate () :: float
def random_stardate () , do: 41000.0 + ( 42000.0 - 41000.0 ) * :rand . uniform ()
@spec format_stardate ( Float . t ()) :: String . t ()
def format_stardate (stardate) , do: :io_lib . format ( "~.1f" , [stardate]) |> List . to_string ()
end
View gist on GitHub
Notes
Part of this exercise is showing you how to use Erlang libraries and functions for functionality that doesn't exist in Elixir. However, the Erlang documentation for those functions is not as digestible as Elixir's documentation.
Overall progress