mirror of https://github.com/sbt/sbt.git
6c7f99005e
Simply
import OptJsonWriter.OptOut._
And you'll get the implicit lift, but not the implicit fallback.
You get an ambiguous compile error like this:
[error] /d/sbt-util/internal/util-collection/src/main/scala/sbt/util/OptJsonWriter.scala:28: ambiguous implicit values:
[error] both method conflictingFallback1 in trait OptOut0 of type [A]=> sbt.util.NoJsonWriter[A]
[error] and method conflictingFallback2 in trait OptOut0 of type [A]=> sbt.util.NoJsonWriter[A]
[error] match expected type sbt.util.OptJsonWriter[Foo]
[error] val x = implicitly[OptJsonWriter[Foo]]
[error] ^
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| .. | ||
| util-appmacro/src/main/scala/sbt/internal/util/appmacro | ||
| util-cache | ||
| util-collection | ||
| util-complete | ||
| util-control | ||
| util-interface/src/main/java/xsbti | ||
| util-logging | ||
| util-logic/src | ||
| util-relation/src | ||
| util-scripted/src/main | ||
| util-testing/src/main/scala/sbt/internal/util | ||
| util-tracking | ||