Skip to content

eliminate Option.join #2

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
merged 1 commit into from
Oct 28, 2022
Merged

eliminate Option.join #2

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
3 changes: 1 addition & 2 deletions Cli/Basic.lean
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import Std.Data.RBMap
import Std.Data.Option.Basic

section Utils
/--
Expand Down Expand Up @@ -178,8 +179,6 @@ section Utils
end Array

namespace Option
def join (x : Option (Option α)) : Option α := do ←x

/--
Returns `""` if the passed `Option` is `none`, otherwise
converts the contained value using a `ToString` instance.
Expand Down