Skip to content

raise ArgumentError for invalid Enum.count_until #15029

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
josevalim merged 2 commits into from
Dec 30, 2025
Merged

raise ArgumentError for invalid Enum.count_until #15029

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
adecd83
raise ArgumentError for invalid Enum.count_until
davydog187 Dec 30, 2025
379ed02
better message, tests
davydog187 Dec 30, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions lib/elixir/lib/enum.ex
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -780,6 +780,10 @@ defmodule Enum do
end
end

def count_until(_enumerable, _limit) do
raise ArgumentError, "Enum.count_until/2 only accepts limits greater than 0"
Comment thread
davydog187 marked this conversation as resolved.
Outdated
end

@doc """
Counts the elements in the enumerable for which `fun` returns a truthy value, stopping at `limit`.

Expand All @@ -801,6 +805,10 @@ defmodule Enum do
end
end

def count_until(_enumerable, _fun, _limit) do
raise ArgumentError, "Enum.count_until/3 only accepts limits greater than 0"
end

@doc """
Enumerates the `enumerable`, returning a list where all consecutive
duplicate elements are collapsed to a single element.
Expand Down