Contents

defmodule Strain do
  @doc """
  Given a `list` of items and a function `fun`, return the list of items where
  `fun` returns true.

  Do not use `Enum.filter`.
  """
  @spec keep(list :: list(any), fun :: ((any) -> boolean)) :: list(any)
  def keep(list, fun) do
  end

  @doc """
  Given a `list` of items and a function `fun`, return the list of items where
  `fun` returns false.

  Do not use `Enum.reject`.
  """
  @spec discard(list :: list(any), fun :: ((any) -> boolean)) :: list(any)
  def discard(list, fun) do
  end
end

Version data entries

160 entries across 160 versions & 1 rubygems

Version	Path
trackler-2.2.1.69	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.68	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.67	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.66	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.65	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.64	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.63	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.62	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.61	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.60	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.59	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.58	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.57	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.56	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.55	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.54	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.53	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.52	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.51	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.50	tracks/elixir/exercises/strain/strain.exs