OkThen.Result.retag
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retag
, go back to OkThen.Result module for more information.
Link to this function
retag(result, new_tag)
Specs
retag(result_input(), new_tag) :: new_tag | {new_tag, any()} when new_tag: atom()
If result
is tagged :ok
, replaces the tag with new_tag
, returning a new tagged tuple.
Equivalent to tagged_retag(result, :ok, new_tag)
. See tagged_retag/3
.
Examples
iex> :ok |> Result.retag(:none)
:none
iex> {:ok, "hello"} |> Result.retag(:error)
{:error, "hello"}
iex> {:ok, 1, 2} |> Result.retag(:error)
{:error, {1, 2}}
iex> {:error, 1, 2} |> Result.retag(:ok)
{:error, 1, 2}
iex> :ok |> Result.retag("string")
** (ArgumentError) Expected atom as new tag, got: "string".
iex> "bare value" |> Result.error_retag(:error)
"bare value"