Disable implicit conversions between from Null and Nothing.
#283
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This is necessary to reject code like
val x: Boolean = null
Without the restriction, this code would typecheck and expand to
val x: Boolean = Predef.Boolean2boolean(null)
since `null` counts as a value of type `java.kang.Boolean`.
|
LGTM! |
odersky
added a commit
that referenced
this pull request
Dec 13, 2014
…nforms Disable implicit conversions between from `Null` and `Nothing`.
tgodzik
added a commit
to tgodzik/scala3
that referenced
this pull request
Apr 29, 2025
Backport "Nowarn public implicit val class params" to 3.3 LTS
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This is necessary to reject code like
Without the restriction, this code would typecheck and expand to
since
nullcounts as a value of typejava.lang.Boolean.Closes #291. Review by @smarter