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The following commit(s) were added to refs/heads/main by this push:
new 5cb1a64 fix: make -Yfuture-lazy-vals conditional for Scala 3.9+ (#413)
5cb1a64 is described below
commit 5cb1a649f48575e1b01b49eb5826da47d9e1eb50
Author: He-Pin(kerr) <[email protected]>
AuthorDate: Fri Jun 19 01:23:31 2026 +0800
fix: make -Yfuture-lazy-vals conditional for Scala 3.9+ (#413)
* fix: make -Yfuture-lazy-vals conditional for Scala 3.9+
Motivation:
Scala 3.9 removed the -Yfuture-lazy-vals compiler option as the behavior
is now the default. Passing this flag causes compilation errors on Scala
3.9+.
Modification:
Conditionally add -Yfuture-lazy-vals only when Scala minor version < 9
using CrossVersion.partialVersion check.
Result:
Project compiles on both Scala 3.3.x (which needs the flag) and
Scala 3.9+ (which has the behavior by default).
* chore: apply scalafmt to project/CommonSettings.scala
Motivation:
CI scalafmt check failed because project/CommonSettings.scala was not
formatted.
Modification:
Ran scalafmt on the build file.
Result:
Code is formatted CI check should pass.
Tests:
Not run - formatting only
---
project/CommonSettings.scala | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/project/CommonSettings.scala b/project/CommonSettings.scala
index 003b5c8..850b84e 100644
--- a/project/CommonSettings.scala
+++ b/project/CommonSettings.scala
@@ -34,15 +34,16 @@ object CommonSettings extends AutoPlugin {
"-language:existentials")
if (scalaBinaryVersion.value == "3")
commonWconf ++ Seq(
- "-Yfuture-lazy-vals",
"-release:17",
"-Wconf:msg=Implicit parameters should be provided with a `using`
clause:s",
"-Wconf:msg=is deprecated for wildcard arguments of types:s",
"-Wconf:msg=The trailing ` _` for eta-expansion is unnecessary:s",
"-Wconf:msg=with as a type operator has been deprecated:s",
"-Wconf:msg=Unreachable case except for null:s",
- "-Wconf:msg=is no longer supported for vararg splices:s",
- "-Wconf:msg=bad option.*-Yfuture-lazy-vals:s")
+ "-Wconf:msg=is no longer supported for vararg splices:s") ++
+ (if (CrossVersion.partialVersion(scalaVersion.value).exists(_._2 < 9))
+ Seq("-Yfuture-lazy-vals", "-Wconf:msg=bad
option.*-Yfuture-lazy-vals:s")
+ else Seq.empty)
else commonWconf
},
Test / logBuffered := false,
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