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Migration rewrites for infix arguments interpreted as named tuples #21949

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merged 6 commits into from
Nov 18, 2024

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@WojciechMazur WojciechMazur commented Nov 14, 2024

Resolves #21681
Resolves #21767 - fixes 5 out of 6 referenced projects. The only still failing project tarao/record4s is mostly made obsolete under Scala 3.6. It was defining a named tuples-like DSL

Best effort migration rewrites based on prior work in #21565

At this point, it's too late to deprecate named infix arguments. Let's produce warnings instead. We accept infix arguments that might be an argument of a named tuple, eg. zip, ++ or == - each of these takes a single argument with NamedTuple.

If accepted it should be backported to 3.6

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Looks good to me!

compiler/src/dotty/tools/dotc/typer/ErrorReporting.scala Outdated Show resolved Hide resolved
Co-authored-by: Matt Bovel <[email protected]>
@WojciechMazur WojciechMazur merged commit 5d5a9e6 into scala:main Nov 18, 2024
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@WojciechMazur WojciechMazur deleted the rewrite/infix-named-args branch November 18, 2024 09:35
@WojciechMazur WojciechMazur added the backport:nominated If we agree to backport this PR, replace this tag with "backport:accepted", otherwise delete it. label Nov 18, 2024
@tgodzik tgodzik added the release-notes Should be mentioned in the release notes label Nov 18, 2024
WojciechMazur added a commit that referenced this pull request Nov 18, 2024
…21949)

Best effort migration rewrites based on prior work in #21565  

At this point, it's too late to deprecate named infix arguments. Let's
produce warnings instead. We accept infix arguments that might be an
argument of a named tuple, eg. `zip`, `++` or `==` - each of these takes
a single argument with NamedTuple.

---------

Co-authored-by: Som Snytt <[email protected]>
Co-authored-by: Matt Bovel <[email protected]>
[Cherry-picked 5d5a9e6]
@WojciechMazur WojciechMazur added backport:accepted This PR needs to be backported, once it's been backported replace this tag by "backport:done" and removed backport:nominated If we agree to backport this PR, replace this tag with "backport:accepted", otherwise delete it. labels Nov 18, 2024
WojciechMazur added a commit that referenced this pull request Nov 18, 2024
… tuples" to 3.6 (#21966)

Backports #21949 to the 3.6.2.

PR submitted by the release tooling.
@WojciechMazur WojciechMazur added backport:done This PR was successfully backported. and removed backport:accepted This PR needs to be backported, once it's been backported replace this tag by "backport:done" labels Nov 18, 2024
@WojciechMazur WojciechMazur added this to the 3.6.2 milestone Nov 18, 2024
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