Skip to content
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

Add documentation on how maybe can be used with array #393

Merged
merged 1 commit into from
Dec 21, 2021
Merged

Add documentation on how maybe can be used with array #393

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
14 changes: 14 additions & 0 deletions docsite/source/basics/macros.html.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,20 @@ Dry::Schema.Params do
end
```

> Caveat: `maybe` doesn't compose with `each`, use the below syntax instead:

```ruby
Dry::Schema.Params do
required(:list).maybe(array[:string])

# or

required(:list).maybe(:array) do
nil? | each(:string)
end
end
```

### hash

Use it when a value is expected to be a hash:
Expand Down