Emil Ejbyfeldt

Incorrect diverging implicit failure using type projects in scala 2.13

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## Reproduction steps Scala version: 2.13.8 (But I think all scala 2.13 releases have this issue) ```scala trait Base { type T def value: T } object Base { implicit...

[SPARK-40385][SQL] Fix interpreted path for companion object constructor

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### What changes were proposed in this pull request? Fixes encoding of classes that uses companion object constructors in the interpreted path. Without this change the that is added in...

Incompatible return types, when there are multiple methods with different return type

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I was not able to reproduce this error with only java code. Perhaps someone with more java knowledge could figure out what might produce similar bytecode. But the example below...

Basic usages triggers compiler warnings when using -Xlint

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**Describe the bug** Usage of the library triggers compiler warnings when setting `-Xlint`. **To Reproduce** Compiling code like (based on readme examples) ``` package test import json._ object Test {...

Fix syntax for string literal in square brackets

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Since https://docs.scala-lang.org/sips/42.type.html which is implemented in scala 2.13 and in scala 3 it possible to use string literals as singleton types. So code like ``` someFunc["abc"] ``` is valid. Currently...

Regression in shapless2 scala 3 port due to new specced match types

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## Compiler version 3.4.2 bisected to `5260c6023fb24d0362e55c5fedc320b562cb553f` ## Minimized code The code was minimized from the hlist implementation in the Scala 3 port of shapeless 2. https://github.com/milessabin/shapeless/blob/832308b4457b62acfdbeae13fa00197cd0ab6ae1/core/src/main/scala-3/shapeless/hlists.scala#L11-L13 ```Scala import scala.Tuple.Head...

## Compiler version 3.4.2 but also crashes with 3.5.0-RC1, 3.3.3 and 3.0.0, probably others as well but did not test more. ## Minimized code ```Scala trait Generic[T] { type Repr...

Remove seen from TypeSizeAccumulator

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This fixes #15692 and does not seem to break any existing compilation tests. The problem with seen logic is that give types with repeated types will get a lower size...

### What changes were proposed in this pull request? Currently the default behavior of `collect_list` and `collect_set` is to exclude null values. This means that these functions is not usable...

## Which issue does this PR close? Part of #8708 ## Rationale for this change This is need when we are moving `arrag_agg` (#11045) to udaf where one of the...