Small program
Combine modules, pattern matching and Enum into a small report.
What you will be able to do
- Define a module.
- Match results.
- Summarise with Enum.
In plain English
Combine modules, pattern matching and Enum into a small report.
- Define a module.
- Match results.
- Summarise with Enum.
defmodule Report do
def total(lessons), do: Enum.reduce(lessons, 0, fn l, sum -> sum + l.minutes end)
end
IO.puts(Report.total([%{minutes: 12}, %{minutes: 18}]))Your turn
EasyExplain it back
Answer from memory: Which function reduces a collection to one value?
TEXT · starter
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Knowledge checkQuestion 1
Which function reduces a collection to one value?
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