Elixir·Elixir essentials

Collections

Lists, maps and keyword lists are transformed with Enum and Stream.

Intermediate 10 min read Lesson 4 of 150 Challenge included

What you will be able to do

Use Enum.map and Enum.filter.
Use Map.get for maps.
Streams are lazy.

In plain English

Lists, maps and keyword lists are transformed with Enum and Stream.

Use Enum.map and Enum.filter.
Use Map.get for maps.
Streams are lazy.

collections.exsELIXIR

lessons = [%{title: "HTML", minutes: 12}, %{title: "CSS", minutes: 18}]
long = Enum.filter(lessons, fn l -> l.minutes >= 15 end)
IO.inspect(Enum.map(long, & &1.title))

Your turn

Explain it back

Easy

Answer from memory: Which module provides eager collection functions?

TEXT · starter

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Knowledge checkQuestion 1

Which module provides eager collection functions?

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Lesson 4 of 150 · 0% of course