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Improve Enum.min_max/1,2,3 specs and docs #14697

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Aug 5, 2025
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Improve Enum.min_max/1,2,3 specs and docs #14697

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Improve Enum.min_max/1,2,3 specs and docs
michallepicki Aug 5, 2025
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josevalim Aug 5, 2025
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14 changes: 4 additions & 10 deletions lib/elixir/lib/enum.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -2187,19 +2187,13 @@ defmodule Enum do
nil

"""
@spec min_max(t, (element, element -> boolean) | module()) ::
@spec min_max(t, (element, element -> boolean) | module()) :: {element, element}
@spec min_max(t, (-> empty_result)) :: {element, element} | empty_result when empty_result: any
@spec min_max(t, (element, element -> boolean) | module(), (-> empty_result)) ::
{element, element} | empty_result
when empty_result: any
@spec min_max(
t,
(element, element -> boolean) | module(),
(-> empty_result)
) :: {element, element} | empty_result
when empty_result: any

def min_max(enumerable) do
min_max(enumerable, fn -> raise Enum.EmptyError end)
end
def min_max(enumerable, sorter_or_empty_fallback \\ fn -> raise Enum.EmptyError end)

def min_max(first..last//step = range, empty_fallback)
when is_function(empty_fallback, 0) do
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