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-2.2.1.49	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.48	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.47	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.46	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.45	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.44	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.43	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.42	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.41	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.40	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.39	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.38	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.37	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.36	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.35	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.34	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.33	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.32	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.31	tracks/elixir/exercises/strain/strain.exs
trackler-2.2.1.30	tracks/elixir/exercises/strain/strain.exs