Lonely v0.3.0 Lonely.Result.List View Source
Functions to operate on result lists.
Link to this section Summary
Functions
Combines a list of results into a result with a list of values. If there is any error, the first is returned
Cons cell
Splits a result list into a list of results
Link to this section Types
Link to this section Functions
Combines a list of results into a result with a list of values. If there is any error, the first is returned.
iex> import Lonely.Result.List
...> combine([])
{:ok, []}
iex> import Lonely.Result.List
...> combine([{:ok, 1}, {:ok, 2}, {:ok, 3}])
{:ok, [1, 2, 3]}
iex> import Lonely.Result.List
...> combine([{:ok, 1}, {:error, 2}, {:ok, 3}])
{:error, 2}
iex> import Lonely.Result.List
...> combine([{:ok, 1}, {:error, 2}, {:error, 3}])
{:error, 2}
Cons cell.
iex> import Lonely.Result.List
...> cons({:ok, 1}, {:ok, []})
{:ok, [1]}
iex> import Lonely.Result.List
...> cons({:error, :boom}, {:ok, []})
{:error, :boom}
iex> import Lonely.Result.List
...> cons({:ok, 1}, {:error, :boom})
{:error, :boom}
Splits a result list into a list of results.
iex> import Lonely.Result.List
...> split({:ok, []})
[]
iex> import Lonely.Result.List
...> split({:ok, [1]})
[{:ok, 1}]
iex> import Lonely.Result.List
...> split({:ok, [1, 2]})
[{:ok, 1}, {:ok, 2}]
iex> import Lonely.Result.List
...> split({:error, :boom})
{:error, :boom}